Interpreting Graphics
11. Look at the model of an atom below. Does the
model represent a metal atom or a nonmetal
atom? Explain your answer.
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Answers
This is a metal atom
explanation:
metal atoms have fewer electrons in their outer shells than non-metal atoms do.
By looking at the model shown in the problem one can clearly say that this model represents the metal because there are a total of 12 electrons revolving around the nucleus which clearly represents the Magnesium metal.
What are metalloids?The elements of the periodic tables that behave as metals, as well as the nonmetal in some chemical or physical aspects, are known as metalloids. Some examples of metalloids are Boron, silicon, germanium, arsenic, antimony, tellurium, etc.
As given in the problem, there is a graphical representation of the model of an atom,
One can see that the model in the problem accurately depicts the metal by looking at the total of 12 electrons circulating around the nucleus, which is a clear representation of the magnesium metal.
To learn more about metalloids here, refer to the link given below
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Related Questions
How to solve projectile motion problems with angles.
Answers
Answer:
R=v2isin2Big R
=v I 2 sin 2 B I g
when a mechanical wave travels through a medium, how does the wave affect the medium's particles?
thanks ;w;
Answers
Answer:
PLEASE MAARK ME BRAINLEST!!!
Explanation:
The particles of the medium just vibrate in place. As they vibrate, they pass the energy of the disturbance to the particles next to them, which pass the energy to the particles next to them, and so on.
two objects are sitting 6m apart, one object has a mass of 100kg and the other has a mass of 200kg. what is the gravitational attraction between them
Answers
F= 6.67x10^-11(100 x 200/ 36)
F= 3.7 x 10^-8
What happens if you drop a chicken wing from the top of the Eiffel Tower
Answers
Answer:
I think it will brake or squashed
When waves are closer together and there are more waves, then the wave has a higher ____________.
Answers
Answer:
frequency
Explanation:
the closer the waves are the higher the pitch of the sound.
the place from which motion is observed and measured is called
Answers
Answer:
A frame of reference is the location from which motion is perceived and measured. For all observers, the speed of light remains constant.
Explanation:
The place from which motion is observed and measured is called frame of reference .
What is a frame of reference?Frame of reference is an abstract coordinate system whose origin , orientation , and scale are specified by a set of reference points .
The place from which motion is observed and measured is called frame of reference . The set of conditions that determine how to approach or observe something will depend on its reference frame .
In order to know the change in position of an object , a reference point is required . example : in a cartesian system origin is the reference . With respect to origin only every other things are observed .
A coordinate system with time frame is called frame of reference
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Fill out the material order form with the Quantity (number of each item) and total cost for
that item (Cost Quantity). Add the totals to ensure you do not exceed $100.
YOU HAVE $100 TO SPEND. NO BONUS POINTS FOR SAVING S.
Use the materials carefully, as they will not be replaced if you damage
them.
Material
Cost ($) Quantity
Cost x Quantity
Straw
2
Paperclip (large)
2.
String (12")
3
Tooth pick
3
Cup
5
Rubber band
5
7
Tape (0.5 m)
7
Paper (8.5" x 11")
Tissue Paper
10
Duct Tape
(.25m)
).
10
Cotton ball
12
Balloon
15
Paper plate
15
Total Cost =
Answers
Answer:
Explanation:
Material: Cost ($): Quantity: Cost x Quantity:
Straw 2$ 2x 2$ x 2
Paperclip 2$ 2x 2$ x 2
String 3$ 1x 3$ x 1
Toothpick 3$ 1x 3$ x 1
Cup 5$ 1x 5$ x 1
Rubber band 5$ 1x 5$ x 1
Tape 7$ 1x 7$ x 1
Paper 7$ 1x 7$ x 1
Tissue Paper 10$ 1x 10$ x 1
Duct Tape 10$ 1x 10$ x 1
Cotton ball 12$ 1x 12$ x 1
Balloon 15$ 1x 15$ x 1
Paper Plate 15$ 1x 15$ x 1
total: 100$
hope this really helped!!
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NO LINKS! What are the definitions of initial horizontal velocity and initial vertical velocity? Please help! This like is my 20th time asking this question because many people have been scamming me...
Answers
Answer:
answer
Explanation:
The initial horizontal velocity canbe determined by measuring the diameter of the ball and dividing by the time that it takes for the ball to move across the photogate. That is Vo = d/t.
When Vertical velocity refers to the speed of an object's movement in a vertical direction.
if a substance changes from a vapor to a liquid it ____ HELP FAST
Answers
Answer:
Explanation:
Condensing is the word used to indicate the change of state of a substance from vapor to liquid, as in this case. During condensation, the substance releases thermal energy to the environment, therefore the kinetic energy of the molecules in the vapor decreases until they become closer to each other and they start to be affected by the intermolecular forces and so the substance becomes a liquid.
1. A student pushes horizontally on a book with a force of 2 N, which causes the book to slide at a constant velocity. What is the force of friction on the book?
Answers
Answer:
The horizontal forces are equal in size and opposite in direction. They are balanced, so the horizontal resultant force is zero. This means that there is no horizontal acceleration just a horizontal constant speed. If a submarine is not moving horizontally, then there are no horizontal forces.
I hope it helps.
A projectile is shot at an angle of 45 degrees with velocity components Vx and Vy both equal to 5 m/s. What is the magnitude of the initial velocity? Round to nearest tenth.
Answers
Answer:
7.1 m/s
Explanation:
Explanation is attached
How much work is done by a student holding a book with a force of 5N and walking forward 10 m?
Answers
Answer:
50 JExplanation:
The work done by an object can be found by using the formula
workdone = force × distance
From the question we have
workdone = 5 × 10 = 50
We have the final answer as
50 JHope this helps you
Electric current can be measured. It is a rate. What does that mean?
Question 3 options:
The amount of current that passes a certain point in a certain amount of time
The amount of energy available that could be used
The strength of power used by something plugged into a wall
How bright a light will burn when plugged in
Answers
Answer:
a
Explanation:
cuz im smart ;)
A car travels at 40 mph. what distance will it travel in 3 hours?
Answers
Car speed = 40m/ hour
3 hours = 40 × 3 = 120m /hour
Answer:
120
Explanation:
if the car travels 40 in one hour , to find the speed in 3 hours multiply 40 x 3 which will give us 120
An object with a mass of 3 kg has a momentum of 75 kg.m/s. What is its velocity?
Answers
Answer:
25m/s
Explanation:
p=mv
75 = 3v
v = 75/3
v = 25 m/s
If you want to verify your answer, just insert the value of v to the equation.
The _____________ experiences a temperature increase primarily due to the absorption of gamma rays and X-rays.
Answers
Answer:
The thermosphere experiences a temperature increase primarily due to the absorption of gamma-rays and X-rays.
If acceleration of a body starting from the rest is 0.5m/s^2 how long will it take the body to travel 400m(if u are genius answer this)
Answers
Answer:
10s
Explanation:
The wavelength is 1. 87 x 10-7 m. What is the frequency?.
Answers
Answer:
11.7 im pretty sure. i did the work so it should be correct
How does the distance between the planet and the Sun affect its period?
Answers
Answer:
The closer a planet is to the sun, the shorter its period of revolution. The farther away a planet is from the sun, the longer its period of revolution.
Explanation:
i hope that helps, have a great day.
Answer:
The closer a planet is to the sun, the shorter its period of revolution. The farther away a planet is from the sun, the longer its period of revolution. so it depends on how close and how far it is to have a different time period. so if the if it is close then the period of revolution will be shorter because they need more space to have a longer period. if it is spaced out then it will have a longer period because they do have space.
Explanation:
A 0.5 kg cheeseburger is lobbed at a particularly unhappy customer with a force of 10 N.
While it is being thrown, what is the acceleration experienced by the cheeseburger?
Answer in units of m/s2
Answers
A two-dimensional crystal has a rectangular unit cell, with spacings between the centers of the atoms of 0.5 nm in one direction (e.g., the x direction), and 0.4 nm in the other direction (e.g., the y direction). Presuming that the crystal has 1000 unit cells in each direction, sketch a representative portion of the reciprocal lattice on a scale drawing, showing the dimensions, units, and directions (i.e., kx and ky)
Answers
So directly the cell density value in a rectangle is:
[tex]5*10^{17} cells/cm^{2}[/tex]
In this exercise, we must first calculate the area of the rectangle, remembering that you need to convert from nm to cm is:
[tex]A=B*H\\A=(0.4*10^{-7})*(0.5*10^{-7})= 2*10^{-15}[/tex]
Next, let's calculate the density from the calculated area:
[tex]\frac{N}{A} = \frac{1000}{2*10^{-15} } = 5*10^{17}[/tex]
In this way, the calculation represents that there is:
[tex]5*10^{17} cells/cm^{2}[/tex]
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Dave and Alex push on opposite ends of a car that has a mass of 875 kg. Dave pushes the car to the right with a force of 250 N, and Alex pushes to the
left with a force of 315 N. Assume there is no friction.
What is the net force on the car in the x-direction? Help meee please
Answers
The net force acting on the car is 65 N to the left
The net force acting on an object is simply defined as the resultant force acting on the object.
From the question given, we obtained the following data:
Force applied to the right (Fᵣ) = 250 NForce applied to the left (Fₗ) = 315 NNet force (Fₙ) =?The net force acting on the car can be obtained as follow:
Fₙ = Fₗ – Fᵣ
Fₙ = 315 – 250
Fₙ = 65 N to the leftTherefore, the net force acting on the car is 65 N to the left
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Since there is no friction, the net force on the car in the x - direction will be 65 Newtons
Given that Dave and Alex push on opposite ends of a car that has a mass of 875 kg.
Dave pushes the car to the right with a force of 250 N, which is positive direction and Alex pushes to the left with a force of 315 N which is negative direction. Since there is no friction, only the horizontal forces will be considered.
To calculate the net force on the car in the x-direction, we will find the difference between the two forces because of their directions are opposite to each other.
Net force = 315 - 250
Net force = 65 Newtons
Therefore, the net force on the car in the x - direction will be 65 Newtons
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l. amount of liquid
ll. initial mass of the bone
lll. temperature of liquid
A.
l and lll
B.
II and III
C.
ll only
D.
l only
Answers
A.l and lll
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Question #4
What is the charge on Can 2 at the moment
shown in panel B?
Question #5
What is the charge on the ball at the
moment shown in panel B?
A. Same as Van de Graaff
B. Opposite of Van de Graaff
C. Neutral
A. Same as Van de Graaff
B. Opposite of Van de Graaff
C. Neutral
Answers
Answer:
Q4
A
Q5
B
Explanation:
BRAINLIEAST IW8W9 HAHAH YAN NA PO TALAGA
Mxcbccbhf chucklingbdbfbfndbfnf
Answers
Answer:
4 seconds
Explanation:
On the Y axis - you go to 12. Go directly horizontally till you hit the line. Then go directly down. If you do this correctly, you should hit 4 seconds on the X axis.
A cyclist sitting still at the top of a hill displays gravitational potential energy. What makes it possible for the cyclist to have this type of energy?
Answers
Explanation:
because its speed (v) is 0
When you see the bright flash of a meteor, what are you actually seeing?.
Answers
The actual things we are seeing if we see the bright flash of a meteor are a pea-sized particle and the surrounding air as the particle burns up in our atmosphere.
What are meteors?
A meteor is a space rock that enters the atmosphere of the earth and produces a streak of light in the sky. Sometimes, people refer to them as shooting stars. When meteoroids enter the earth's atmosphere, they become meteors.
The night sky can be illuminated by meteors, also known as shooting stars, which are bits of space dust and debris that burn up in the Earth's atmosphere.
A pea-sized particle burns up in our atmosphere, and the surrounding air In other words, you do not see the particle itself, but only the effects it has on the surrounding air as it burns up.
Thus, we are seeing burned particles or dust when we see meteors.
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These people load 10 items on the truck in 10 minutes. What are ways power can be increased?
Answers
The power can be increased by decreasing the time it takes to load 10 items into the truck it can be done by using leverage and putting more boxes in the truck at the same time.
What is power in physics?Power refers to the ability of doing work done per unit time, higher the power means more work has been done in less time. The SI unit of power is watt.
What is work done?Work done is a physical quantity that refers to measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement.
Given:
10 people are loading 10 items in a truck
According to the question we have to maximize the power output.
To do this we need to increase work done per unit time. This can be done in a number of ways which include:
Using leverage and pulley techniques to increase the loading capacity of the individual, so that more work is done in less time and therefore increasing the power output of the work to be done.
The second method would be decreasing the time it takes to load the boxes into the truck which can be done if multiple boxes are loaded into the truck at the same time.
Therefore, the power can be increased by decreasing the time it takes to load 10 items into the truck it can be done by using leverage and putting more boxes in the truck at the same time.
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Which of the following is NOT true of a hotspot?
Answers
Given what we know about hotspots and their characteristics, we can confirm that the option that is false regarding hotspots is "A. Hotspots are constantly moving forming chains of volcanoes".
In regards to the study of geology, we refer to hotspots as spots in an oceanic mantle where magma located below causes them to become intensely hot. This heat forces magma and therefore the mantle itself upwards as a tectonic plate moves across the spot, and therefore results in the formation of volcanic chains. Some very popular examples of volcanoes and volcanic islands formed by this method include:
Yellowstone National ParkHawaiiThe country of IcelandDespite the other options being true, option A is false given that hotspots are stationary elements of the oceanic mantle. Although some scientists believe that there is evidence of the movement of hotspots, this movement is slow enough to not be taken into account.
This question was answered in regards to the complete question found online which states:
Which of the following is NOT TRUE about hotspots? a. Hotspots are constantly moving forming chains of volcanoes.
b. Hotspots are stationary.
c. Hotspots form volcanic island arcs
d. Hotspots lie along an oceanic plate
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What force causes an automobile to move.
Answers
Answer:
Thrust
Explanation:
Thrust is the force that causes a car to move in the direction that it wants to.