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matrenka [14]
2 years ago
10

10. Select the more polar bond in each of the following pairs: a) C and N or C and o b) N and F or N and O.

Chemistry
1 answer:
worty [1.4K]2 years ago
3 0
A) C and O
B) N and F
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the mass number of a chromium Atom is 52 and it has 24 protons. How many neutrons does this atom have?
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Chromium has a total of 28 neutrons. This is found because we subtract the number of protons (the atomic number) from the mass number. 52 minus 24 gives us 28. It also has 24 electrons.

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Which statement is true of a chemical change?
Feliz [49]

Answer:

A is the answer. Chemical changes happen when atomic bonds are broken or created during chemical reactions. Hence, in this case, it involve changes to molecular structure.

- Change in states are physical changes.

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- Dissolving is just physical change.

Explanation:

The statement that is true of a chemical change among the statements given in the question is "It involves changes in the molecular structure". The correct option among all the options that are given in the question is the first option or option "A". I hope the answer has actually come to your help.

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the charge is negative

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vaieri [72.5K]

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2.08×10^24 atoms

Explanation:

set up a mole to atom ratio:

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cross multiply:

3.47 mole × 6.02 × 10^23 = 2.08×10^24 atoms

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How many moles of H atoms are there in 2 moles of CH3CH2CH2CH3?
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AnSweR: 10

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