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natima [27]
3 years ago
11

3

Chemistry
1 answer:
Mashcka [7]3 years ago
4 0

Answer:

It is 34

Explanation:

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How many protons are present in one copper(ii) ion?
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Which is the best conductor of electricity (0.1M solution)? Why?
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Explanation:

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Hydrogen is an element with two naturally occurring isotopes: 2 H and 3 H. This means that 2 H, which has a mass number of 2, ha
Dmitry_Shevchenko [17]

Answer:

TRUE.

Explanation:

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3 years ago
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Explanation:

F = nucleus

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