Chemistry, asked by kh7909004045, 8 months ago

what is the answer in the given photo ​

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Answers

Answered by AbdulHafeezAhmed
2

1. Modern Periodic table

2. Horizontal: periods. Vertical: groups

3. Nucleus

4. 1 amu

Please mark me brainliest

Answered by Anonymous
1

Answer:

1.) Modern

2.) Periods, Groups

3.) Nucleus

4.) 1.00727647 amu ≈ 1 amu

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