Biology, asked by friendsinclass, 9 months ago

As one goes down vertically in a group in the periodic table, which of the following is true?

the atomic mass decreases

the number of protons in each element increases

the atomic mass increases

the number of protons in each element decreases

I need to say ASAP

Answers

Answered by heinstein27

0

Answer:

the atomic mass increases

Explanation:

because periodic table is made by this scheme

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