A) The number at the top of an element square that tells you how many protons are in the nucleus of that atom.

B) The number that is below an elements symbol is called the

C) In order to calculate the number of neutrons in an atoms nucleus we should

2

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3.

According to the video, if the number after the decimal is 5 or more what do we do?

According to the video, if the number after the decimal is 4 or less what do we do?

6

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4.

What is the number after rounding to the nearest whole number?

3.45

What is the number after rounding to the nearest whole number?

3.89

What is the number after rounding to the nearest whole number?

17.69

What is the number after rounding to the nearest whole number?

17.32

What is the number below after rounding to the nearest whole number?

22.09

What is the number below after rounding to the nearest whole number?

22.89