A is the number of neutrons plus protons in the nucleus. However, we already know that there are 7 protons. Therefore, there must be 8 neutrons in the nucleus to add up to 15. Table 3.

Element Symbol Number of Neutrons

carbon 146C 8

nitrogen 147N 7

157N 8

oxygen 168O 8

Explanation:

5 0

2 years ago

After comparing DNA, a doctor finds that two different samples are the same. The two individuals from whom the samples came are

svetlana [45]

B identical twins is the answer I believe

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2 years ago

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Quick electron emissions are called

vivado [14]

Answer:

Beta decay

Quick electron emissions are called beta decay

Hope this helps

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2 years ago

1. You may "feel" cold when you touch certain kinds of matter because​

1. You may "feel" cold when you touch certain kinds of matter because