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Dimas [21]
3 years ago
15

Which interaction is responsible for the force of attraction between the particles in a salt crystal? proton-proton proton-elect

ron neutron-electron electron-electron
Chemistry
2 answers:
Sholpan [36]3 years ago
4 0

Answer: Option (b) is the correct answer.

Explanation:

An atom consists of three sub-atomic particles, that is, there are protons, neutrons, and electrons in an atom.

Protons are positively charged, neutrons have no charge and electrons have a negative charge.

It is known that opposite charges attract each other. And a salt contains atoms of two or more different elements.  

Therefore, there occurs attraction between a proton and an electron which is responsible for the force of attraction between the particles in a salt crystal.

Mars2501 [29]3 years ago
3 0
The answer is B. proton-electron.

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Convert 0.64 moles of table salt (NaCl) to grams
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Answer:

0.64 moles of table salt = 37.44 grams of table salt

Explanation:

mNaCl = 0.64 x (23 + 35.5) = 37.44 grams

4 0
2 years ago
How many ethyne molecules are contained in 84.3 grams of ethyne (C2H2)?
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(~26grams/mole) and Avogadros # (6.022x10^23) 84.3grams x 1mole/26grams x 6.022x10^23 molecules/mole = 1.95x10^24 molecules of C2H2
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How many grams of silver chloride are produced from 5g of Silver Nitrate reacting with an excess of barium chloride?
monitta
4.22g
1. Work out the equation and balance
2AgNo3 +BaCl2 ---> 2AgCl + Ba(No3)2

2. Work out formula mass of silver nitrate (should = 169.9)

3. Calculate the number of moles by doing moles = mass / formula mass so 5 divided by 169.9 = 0.0294 moles.


4. Check ratio - here the ratio is 2:2 i.e. 2 moles of silver nitrate to 2 moles of silver chloride so the moles will be the same so the moles of silver chloride is also 0.0294

5. Work out the formula mass of AgCl (always ignore big numbers at the start when working out formula mass) = 143.4

6. Work out mass by doing equation moles = mass/formula mass so
mass = moles x formula mass
mass = 0.0294 x 143.4
mass = 4.22g (3sf or 2dp)
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3 years ago
When two identical nonmetal atoms are bonded together the result is a?
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