The particles in a metal are held together by strong __________ bonds. What word describes the type of bond to complete this sentence?
Answer:
metallic
Explanation:
The dislocated electrons moving around the protons create opposite charges with electrostatic attraction between them that are very strong, and are called metallic bonds.
The particles in a metal are held together by strong metallic bonds . The metals forms crystalline solids with highly ordered lattice structure.
What are metals?Metals are electropositive elements. They are rich in electrons and easily donate their electrons with non-metals to form ionic bonds. Metals gain positive charge by losing electrons.
Metals in periodic table are classified as s block elements that are alkali metals and alkaline earth metals and d-block elements that are transition metals.
Metals forms highly ordered crystal lattice 3 D structures in which metal ions negative ions or electrons are bonded by strong intermolecular force called metallic bonds and the free electrons are located in the interstices.
These electrons can delocalize and conduct thermally and electrically.Hence, the bond which hold the particles in a metal is called metallic bond.
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Part A
What question is being asked through this scientific investigation?
(I didn’t know what subject so sorry, also only answer if u have an answer.)
Answer:
How will the ingredients effect the fermentation of each bottle? What will happen to the bottles and balloons when fermentation occurs?
Explanation:
Tom pushes on a 50-kilogram box with a force of 25 newtons. Assuming the surface on which the box moves is frictionless, at what rate does the box accelerate?
Assuming the surface on which the box moves is frictionless, the rate at which the box accelerate is equal to 0.5 [tex]m/s^2[/tex].
Given the following data:
Mass of box = 50 kilogramForce = 25 newtons.To determine the rate at which the box accelerate, assuming the surface on which the box moves is frictionless:
Mathematically, Newton's Second Law of Motion is given by the formula;
[tex]Force = mass \times acceleration[/tex]
Making acceleration the subject of formula, we have:
[tex]Acceleration =\frac{Force}{mass}[/tex]
Substituting the given parameters into the formula, we have;
[tex]Acceleration = \frac{25}{50}[/tex]
Acceleration = 0.5 [tex]m/s^2[/tex]
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Which chemical reaction occurs between steps 1 and 5?
Who thought fire was one of four elements?
O A. Aristotle
O B. Marie Curie
O C. John Dalton
O D. Robert Boyle
Answer:
D Robert Boyle
Explanation:
Millikan determined the electron's ______ .
Answer
In 1909, Robert Millikan and Harvey Fletcher conducted the oil drop experiment to determine the charge of an electron. ... Using the known electric field and the values of gravity and mass, Millikan and Fletcher determined the charge on oil droplets in mechanical equilibrium.
Millikan and fletcher determined the charge on oil droplets in mechanical equilibrium
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carryonlearing
4. A photon has an energy of 2.93x10^-25 Jouls. What is the
frequency? What is the wavelength in nm?
Answer:
Hope this answer helps
Explanation:
the atomic number is the same as the number of which subatomic particle?
This boy said he was finna destroy me and winked what does that mean
Answer:
pipe
Explanation:
You receiving
which acids are found In lemon and milk
Answer:
lemon- citric acid
milk- lactic acid
Answer:
lemon=citric and malic acids.
milk=Lactic Acid
Explanation:
Helppppppppppppppppppppppppppppp
Answer:
A or B but im going to say A
Explanation:
hope this helped <3
Why are the three atoms are isotopes of magnesium
Answer:
Magnesium is a naturally ubiquitous; (appearing & found evrywhere) element and has three naturally occurring stable isotopes, 24Mg, 25Mg and 26Mg, with relative abundance of 78.99%, 10.00% and 11.01%, respectively.
However, they differ only because a 24Mg atom has 12 neutrons in its nucleus, a 25Mg atom has 13 neutrons, and a 26Mg has 14 neutrons.
Explanation:
how many moles of copper are there in 6.93 g of copper sample
pls be quick
[tex]\\ \sf\longmapsto No\:of\;moles=\dfrac{Given\:mass}{Molar\:mass}[/tex]
[tex]\\ \sf\longmapsto No\:of\:moles=\dfrac{6.93}{63.5}[/tex]
[tex]\\ \sf\longmapsto No\:of\:moles=0.109\approx 1.11moles[/tex]
hydrofluoric acid
What’s the formula
Hydrofluoric acid/Formula
______________________
HF
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the two stages that take place during distillation are. a.evaporation is folloeed by condensation. b.condensation followed by evaporation
Answer:
evapiration followed by condensation
Each cart below is pushed across a room with the same amount of force. Which cart will result in the greatest change in speed?
F.A 75 kg cart being pushed with a 200 N force
G.A 125 kg box being pushed with a 200 N force
H.A 350 kg box being pushed with a 200 N force
J.A 450 kg cart being pushed with a 200 N force
The cart with the greatest change in speed is the cart with a mass of 75 Kg
Acceleration is defined as the change in velocity of an object with time. Also, acceleration is related to the force and mass according to the following equation:
Acceleration (a) = Force (F) / mass (m)
a = F / mTo answer the question, we shall determine the acceleration of each cart.
For cart of mass 75 kgMass (m) = 75 KgForce (F) = 200 NAcceleration (a) =?a = F / m
a = 200 / 75
a = 2.67 m/s²For cart of mass 125 kgMass (m) = 125 KgForce (F) = 200 NAcceleration (a) =?a = F / m
a = 200 / 125
a = 1.6 m/s²For cart of mass 350 kgMass (m) = 350 KgForce (F) = 200 NAcceleration (a) =?a = F / m
a = 200 / 350
a = 0.57 m/s²For cart of mass 450 kgMass (m) = 450 KgForce (F) = 200 NAcceleration (a) =?a = F / m
a = 200 / 450
a = 0.44 m/s²From the above illustrations, we can see that the cart with a mass of 75 K has the greatest change in speed (i.e 2.67 m/s²)
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Answer:
D
Explanation:
F. 200-75=125
G. 20-125=75
H. 350-200=150
J. 450-200=250
250 is the biggest number so it has the biggest change
as the distance from the nucleus increases, what happens?
The nuclear effective charge decreases as the energy of repulsion between the atoms increases between one another. The farther away an atom is from the nucleus, the more loosely that is attracted to that nucleus.
Which of these codes is best for creating websites?
The most used codes for the creation of websites are CSS and HTML.
What is a code?A code can be defined as the basic unit that composes a website. This implies that by using a code you can create a website from scratch and by the end of the process you should have a functional and complete website.
What codes are used?In website creation, the most common codes are CSS and HTML.
HTML: This is the most common code used and also one of the easiest to understand and use.
CSS: This code is not as popular as HTML but it is still a very popular code used by many people creating websites.
Note: This question is incomplete because the options are not given; due to this, I answered it based on general knowledge.
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what would happen if we lost our planets core on earth blew up, would we all die or will we lose gravity or suficate, pls help. :I
Answer: if we lost our core it would be an entire fallout like fallout 76 we would have no way to protect ourselves from the radiation of space except for a select few that actually own astronaut suits tho we would not turn into monsters, sadly :( I wanna be a ghoul
At room temperature, all the metalloids are solids, while most nonmetals are
Answer:
at their own state.
That leaves only five elements: carbon, phosphorus, sulfur, selenium, and iodine, which are all non-metals and are solid at room temperature.
Which tool would give the most precise measurement of 15 milliliters of water
A graduated cylinder
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how would you expect the solubility of barium sulfate in pure water to compare to its solubility in 0.10 m nacl
Answer:
barium sulfate is insoluble (unable to dissolve) in water.
the general equation for the reaction between solid barium sulfate and nacl solution is this:
BaSO4 (s) + 2NaCl (aq) --> BaCl (aq) + Na2SO4 (aq)
to sum this up, to compare the solubility,
1. barium sulfate cant dissolve in pure water.
2. barium sulfate dissolves in nacl solution to give aqueous (aq) barium chloride (bacl) and aqueous sodium sulfate (na2so4), as shown in the equation above.
good luck!
The solubility of barium sulfate in pure water to zero as compare to the solubility in NaCl solution.
What is solubility?
Solubility is a property of any substance that defines how easily can be any substance will get dissolved or show dissolution.
Barium sulphate is insoluble in water beacuse it has higher lattice energy as well as higher size of cations & anions as compare to water, due to which water is not able to attract these ions towards itself affectively.Barium sulphate is soluble in the NaCl solution as this solution having ions which have more power to attract the ions of barium sulphate and show dissolution. Chemical reaction for this will be represented as:BaSO₄ (s) + 2NaCl (aq) → BaCl (aq) + Na₂SO₄ (aq)
Hence, barium sulphate is insoluble in water.
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Which of the following statements is true about atomic spectra? I. The line spectra of elements are evidence that electron energies are quantized II. Energy is emitted from atoms as they move from lower energy levels to higher energy levels III. Energy is emitted from atoms as they move from higher energy levels to lower energy levels IV. Neutral atoms in the ground state emit light spontaneously
The line spectra of an atom offers conclusive evidence that electron energies are quantized.
Neils Bohr showed that electrons in an atom can absorb or emit energy when they move from one energy level to another. This principle is the basis upon which the spectra of atoms is built.
The true statements about the atomic spectra is;
The line spectra of elements are evidence that electron energies are quantized Energy is emitted from atoms as they move from higher energy levels to lower energy levelsLearn more about atomic spectrum: https://brainly.com/question/2049494
Particulate Electrical Forces Unit Test for Connexus, Chemistry A
I've already finished the questions, but im stuck on the written parts 16-18, can anyone give a hand? :(
I’m sorry no one helped you with those questions. But could you please be a doll and give me the answer for the multiple-choice questions 1-15. Pleaseee I’m so desperate.?
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Use the key above to interpret the following incomplete chemical reaction.
Select the statements at apply in order to complete the model. (Choose 3)
A) The number of atoms in the products must be equal to the reactants.
B) One diatomic oxygen should be removed from the reactant side.
C) One unbonded carbon atom should be added to the product side of the equation
D) One carbon atom and two oxygen atoms are needed to balance the equation.
E) One carbon dioxide molecule should be added to the product side of the equation.
Answer:
Carbon dioxide molecule
Answer:a , d ,e
Explanation:
jusy took quiz
Calculate the following examples.
1. Ramji conducted an experiment in the field related to the rate of percolation. He observed that it took 30 minutes for 600 ml of water to percolate through the soil. Calculate the rate of percolation per hour.
2. Jigna takes 50g of dry powdered soil in a filter paper and slowly adds water to the soil from a 100 ml fully filled measuring cylinder. When water starts dripping from the filter paper, 60 ml of water is left in the measuring cylinder. Find out the percentage of water absorbed by the soil.
Answer:
12ml per hour and
69% LOL
1) The rate of percolation would be 0.33 ml/s
Percolation rate = volume of water/time
= 600/1800s
= 0.33 ml/s
2) The percentage of water absorbed would be 40%
Percentage of water absorbed = amount absorbed/total water x 100
amount of water absorbed = 100 - 60
= 40 ml
total amount of water = 100 ml
Percentage of water absorbed = 40/100 x 100
= 40%
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cellus
A student measures the acidity of a solution and
concludes that it has a pH of 2.70. However, the
seller claims that its pH is 3.20. What is the
percent error in the student's measurement?
Answer:
15.63%
Explanation:
The formula of error percentage is:
([experimental value-real value]/real value)100%
You divide the subtraction of the absolute value of experimental value (the one you got during a experiment) and the one that's "proven" to be right by again, the proven value. You got a decimal and all you have to do is multiply it by 100%
Answer:
on acellus the answer is 16%
I hate acellus
Explanation:
dose any body know 2(-3+6)=
______
3
Answer: The answer is 6
1) Simplify -3+6 to 3.
2×3
And then Simplify.
6
Sorry if im wrong
Pls Help Me (20 Points)
In one to two sentences, describe an experiment that would show that intramolecular forces (attractions between atoms within molecules) are stronger than intermolecular forces (attractions between molecules).
Answer:
If the molecules have similar molar masses and similar types of intermolecular forces, look for the one that is the most polar or that has the most electronegative atoms or the most hydrogen bonding groups. That one will have the strongest IMF's overall.
Explanation:
An experiment that would show that intramolecular forces are stronger than intermolecular forces will be heating a block of ice in a sealed container then allowing it to change to steam.
Intramolecular forces are the forces of attraction that hold atoms together within a molecule. Intramolecular forces require a high amount of energy to splits atoms or molecules in a chemical bonding.
Intermolecular forces are weaker forces of attraction that occur between molecules. They require lesser energy to splits molecules compared to intramolecular forces.
An experiment that show that intramolecular forces are stronger than intermolecular forces will be heating a block of ice in a sealed container then allowing it to change to steam.
In the process, the energy required to change the state from ice to steam water is more than intermolecular forces.
Thus, we can conclude that this experiment shows that the intramolecular forces are stronger than the intermolecular forces.
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which of the following is the most dangerous type of radiation?
gamma decay, alpha decay, beta, decay, they are all equally dangerous
Answer:
gamma decay
Explanation:
gamma rays have the highest frequency on the EM spectrum, which makes them the most dangerous.