Answer:
I think the answer is 3. Highest energy level first, so it fills in the inside rings first
Electrons occupy the lower-energy orbitals first, then go on to fill the next higher-energy orbital until all of the electrons contain been placed.
Which energy levels do electrons fill first?Most of the time, electrons occupy the lower-energy orbitals first, then go on to fill the next higher-energy orbital until all of the electrons have been positioned.
The lowest energy level is always added to initially until it has as many electrons as it can have. The following higher energy level is then filled with electrons, and so on.
The lowest energy level is always filled up with additional electrons first, up to the point where that level can hold no more, and then further electrons are added to the next higher energy level, and so on. A level's total number of orbitals determines how many electrons can be present at that energy.
Therefore, the correct answer is option 3. Highest energy level first, so it fills in the inside rings first.
To learn more about Electrons refer to:
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The question at the beginning of todays reading is , In what ways do people use detectors why is it important to understand particles in order to invent detectors
Answer:
Explanation:
People use detector to know the ionization of electromagnetic radiation i.e alpha, beta and gamma radiation and the output produced.
In the past, the early detectors use photographic plates which is use to detect tracks due to nuclear reactions.
It is important to know particles before inventing detectors because detectors produces visible trajectories or tracks as a result of particles that are charged which can traverse the apparatus. It was used to detect the positron and also muons and these w are particles that are produced by cosmic rays which is as a result of their interaction in the Earth's atmosphere.
i need help asap!! i will give brainliest
Which two factors are used to calculate the kinetic energy of an object?
Answer:
Mass and Velocity
Explanation:
hope this is the right answer might wrong tho
Answer:
its velocity and mass
Explanation:
I got it right on edg
The magnifying power of a telescope is computed by dividing the focal length of its objective by _______.
Answer:
by focal length of the eyepiece.
Explanation:
hope it helps!!plz mark as brainleist.
Give some tips on how to take care of your microscope.
Answer:
dont get it wet or it wont work at all
Are the activities exothermic or endothermic?
Answer:
The first 5 are exothermic reaction because heat is in product means heat is evolved or given out.
And last no reaction shows that heat is required so last reaction is endothermic reaction.
Explanation:
And heat is evolved in exothermic reaction and heat is absorbed in endo thermic reaction
Beta particles will:
1. Not be affected by either pole of a magnet
2. Bend toward the North Pole of a magnet
3.bend toward the South Pole of a magnet
Answer:
3 ans
Explanation:
bend toward the south pole of a magnet
Balance the following chemical equation by providing the correct coefficients.
Na + H2O ———— NaOH+H2
Please help!!!!!!!!
Answer:
2, 2, 2, and 1
Explanation:
I put that in and it was correct.
what does geotropism enable plants to do
Answer: Geotropism allows the plants to correctly orient themselves for growth.
Explanation:
Does sound travel faster in a warm room or a cold room?
Explain your answer.
2 paragraphs answer ASAPP
Answer:
Sound is vibrations that travel through a medium, and which are then converted into electrical signals by our brain so that we interpret them as a noise that we hear. These vibrations consist of particles colliding with each other (this is why sound cannot travel through space; there are no particles). At warmer temperatures, the particles that make up air will move faster, so these collisions will happen more frequently. Therefore the vibrations occur more quickly, so sound travels faster and reaches our ears in a shorter amount of time.
The speed of sound can travel faster in hot air than it can in cold air. This is because the molecules of air can move even faster and the vibrations of the sound wave can transmit faster. Sound is a type of mechanical wave, meaning that it requires a medium to transmit energy. Mediums are any substance that has mass and takes up space, from the air in the room to the metal atoms in an iron fence.
Explanation:
hope that helps :)
Answer:
Sound travels faster in a warm room because temperature affects the speed of a wave. In a warm room, the particles of air move faster and have higher chances of bumping into each other, which then increases the instances of energy transfer.
Explanation:
just trust me cuz
How many grams are in 2.3 moles of O?
Answer:
36.8 g/mol of O
Explanation:
To find the number of grams, multiply the number of moles by the atomic mass of the element.
Oxygen has an atomic mass of 16.00.
2.3 moles O × (16.00 g O ÷ 1 mole) = 36.8 g/mol O
Hope that helps.
Which of the following is one part of a chemical formula for a molecule?
A) A number that shows the total number of chemical bonds
B) Numbers that show how many atoms of each element are in the molecule
C) A number showing the atomic masses of each element
D) A Lewis dot diagram for the molecule
what is a unique characteristic of covalent bonding between nonmetal atoms
a) atoms give away electrons to reach a stable octet
b)atoms share valence electrons with neighboring atoms to reach a stable octect.
c)atoms gain electrons to reach a stable octet
d)delocalized electrons move freely among many positive atoms creating a ''sea'' of electrons
Answer:
The answer isssssssssssssss DRUM ROLL PLEASEEE
Explanation:
B
Considering the definition of covalent bonds, the correct answer is option b): atoms share valence electrons with neighboring atoms to reach a stable octect.
Covalent bonds are the forces that hold non-metallic atoms together. These atoms have many electrons at their outermost level (valence electrons) and have a tendency to gain electrons rather than give them up, to acquire the stability of the noble gas electronic structure. Therefore, non-metallic atoms cannot give electrons to each other to form ions.
In other words, a covalent bond is a force that joins two atoms of non-metallic elements to form a molecule. Atoms share pairs of electrons from their most superficial shell (called the valence shell) to achieve the stability of the molecule that has been formed with the bond and thus comply with the octet rule.
In summary, the correct answer is option b): atoms share valence electrons with neighboring atoms to reach a stable octect.
Learn more:
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6.
What is the acceleration of a 24 kg mass pushed by a 6 N force?
I jus need number 6
The acceleration : 0.25 m/s²
Further explanationGiven
mass = m = 24 kg
Force = F = 6 N
Required
The acceleration
Solution
Newtons' second law :
Newton's 2nd law explains that the acceleration produced by the resultant force on an object is proportional and in line with the resultant force and inversely proportional to the mass of the object
ΣF = m x a
[tex]\large {\boxed {\bold {a = \frac {\sum F} {m}}}[/tex]
Input the value :
6 N = 24 kg x a
a = 6 : 24
a = 0.25 m/s²
Answer:
0.25
Explanation:
its 0.25
what demonstrated Kinetic Energy
Kinetic Energy Statement
Kinetic energy is energy that a body possess as a result of its motion. Kinetic energy as it is mathematically written is the "classic statement" of: Kinetic energy is equal to half the mass of an object times its velocity squared.
There are five types of kinetic energy: radiant, thermal, sound, electrical and mechanical. Let us look at some of the kinetic energy examples and learn more about the different types of kinetic energy.
Hope this helped!
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A student measures 10 g of baking soda and mixes it with 5 grams of vinegar. The mixture begins to bubble and fizz and feels cold to the touch. Once the reaction is over the student weighs the solution and discovers that the resulting mixture weighs only 12g. What happened to the missing 3 grams of product? Use the Law of Conservation of Matter in your answer.
Answer:
Some of the product is a gas that goes to the atmosphere.
Explanation:
Based on the chemical reaction of baking soda (Sodium bicarbonate: NaHCO₃) with vinegar (Acetic acid: CH₃COOH):
NaHCO₃(aq) + CH₃COOH(aq) → H₂O(aq) + CO₂(g) + CH₃COONa(aq)
When the reaction occurs, one of the products (CO₂) is a gas that will disappear of the mixture to stay in the atmosphere. That is the reason why there are missing 3 grams.
pleaseee help haha im timed
Answer: aerobic respiration converts about 40% of the available energy of glucose into ATP!!!
What is the final temperature of the metal?
What is the temperature of the water?
What is the temperature change of the metal?
Answer: 29.8
Explanation:
Using the models of the molecules below, (H2 and CH4) what does it mean for a molecule to be symmetrical?
Answer:
A molecule is symmetrical if it can be cut into two identical halves.
Explanation:
H2 can be written as H + H
CH4 is not a symmetrical molecule
Which of the following is an example of a velocity?
O A. 3 m/s south
O B. 2 km/hr
O C. 8 m/s
O D. 12 m/s2 east
Answer:
A
Explanation:
velocity is a vector quantity, it has single direction.
B and C are speed while D is acceleration
Please recheck, for this may not be the correct answer
Answer:
i think its A or C
Explanation:
Is 4atm to big of a difference to get when I use the ideal gas law vs the van der waals equation?
This absolute amount of pressure does not play a significant difference.
At high temperatures and low pressures, its results deviate too little.
But at low temperatures and high pressures, it will change significantly and this difference will change from gas to gas.
In the image you can see the difference between some results from both equations.
Please help me this is my science final
Answer:
1.Winter
2.Autmn
3.Summer
4.Spring
I hope this helps!
Which event may occur when ocean salinity increases?
mass of water increases
freezing point of water increases
sunlight in deeper locations decreases
amount of dissolved gases in water increases
Answer:
The answer is C: “sunlight in deeper locations decreases”
Explanation:
The answer is C because the more salinity water has.. the harder it is to see and the harder it is for light to travel through the ocean.
Based on the given options, when ocean salinity increases, the amount of sunlight in deeper locations decreases due to increased turbidity.
What is ocean salinity?Ocean salinity refers to the amount of dissolved salts present in ocean water.
The salinity of the ocean increases in events such as volcanic eruptions due to the influx of minerals into the ocean.
When ocean salinity increases:
the amount of dissolved gases decreases the freezing point of water decreases the amount of sunlight in deeper locations decreases due to increased turbidityTherefore, when ocean salinity increases, the amount of sunlight in deeper locations decreases due to increased turbidity.
Learn more about ocean salinity at: https://brainly.com/question/14346963
Cu(NO3)2 is what compound?
Answer:
the compound's name is copper nitrate
Thomson's plum pudding model of the atom was most directly replaced or refuted by
a. Rutherford's discovery that atoms contain a nucleus
b. Chadwick's discovery of the neutron
c. Goldstein's discovery of protons
d. Democritus's idea that the atom is indivisible
Answer:
A. Rutherford's discovery that atoms contain a nucleus
Explanation:
Answer:
A is the answer
Explanation:
The density of an object is 2 g/mL and has a mass of 18g, what is the volume of the object?
Answer:
36
orrr
20
Explanation:
36 explanation:18x2=36
20 explanation:18+2=20
The volume of the object : 9 ml
Further explanationGiven
The density of an object : 2 g/ml
Mass : 18 g
Required
The volume
Solution
Density is a quantity derived from the mass and volume
Density is the ratio of mass per unit volume
Density formula:
[tex]\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}[/tex]
ρ = density
m = mass
v = volume
V=m : ρ
V = 18 g : 2 g/ml
V = 9 ml
The diagram represents the path of a ball that has been thrown upward. Discuss how the kinetic energy (KE), gravitational potential energy (GPE), and total mechanical energy (ME) change between points A (where the ball is thrown from), B (the highest point reached by the ball), and C (where the ball hits the ground). Ignore friction between the ball and the air. (3 points)
Answer:
Gravitational potential energy: [tex]GPE_{B}>GPE_{A}>GPE_{C}[/tex]
Kinetic energy: [tex]KE_{B}<KE_{A}<KE_{C}[/tex]
Total mechanical energy: [tex]ME_{A}=ME_{B}=ME_{C}[/tex]
Explanation:
The gravitational potential energy is directly proportional to height ([tex]GPE_{B}>GPE_{A}>GPE_{C}[/tex]). Since there are no non-conservative forces, the total mechanical energy is conserved ([tex]ME_{A}=ME_{B}=ME_{C}[/tex]) and the total mechanical energy is the sum of gravitational potential and kinetic energies. Then:
[tex]GPE_{A} + KE_{A} = GPE_{B} + KE_{B} = GPE_{C} + KE_{C}[/tex] (1)
If we know that [tex]GPE_{B}>GPE_{A}>GPE_{C}[/tex], then we conclude the following inequation for the kinetic energy:
[tex]KE_{B}<KE_{A}<KE_{C}[/tex] (2)
________is the base unit for length in the metric system
Answer:
metric system
Explanation:
In the metric system, the basic unit of length is the meter. A meter is slightly larger than a yardstick, or just over three feet. The basic metric unit of mass is the gram. Finally, the basic metric unit of volume is the liter.
Which are reasons to create a study schedule? Check all that apply.
to prevent scheduling conflicts
to help meet deadlines
to study more efficiently when tired
to maintain a consistent schedule
to set aside enough time for studying
Mark this and return
Answer - A, B, D, E
to prevent scheduling conflicts
to help meet deadlines
to maintain a consistent schedule
Convert 2.76 atm to mmHg
Answer:2097.5998675091255
Explanation: