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Can someone help me please

Can someone help me please-example-1
User Sanchises
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2 Answers

5 votes
If I could I would
User Yermo Lamers
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Definitions:

Atomic Mass- mass of an atom. The atomic mass is approximately equal to total number of protons and neutrons.

Atomic number- Number of protons in the nucleus of an atom.

Element- a pure substance that can't be broken down by chemical means.

Table:

Hydrogen/1.008/1/1

Strontium/87.62/38/38

Palladium/106.42/46/46

Fluorine/18.998403163/9/9

User Bhola Prasad
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