Atomic Number Questions and Answers

It's 2 as first it's hydrogen then helium then no. 3 is lithenium

5 Answers

Atomic number of helium is 2

2 Answers

3,4,3. Protons, neutrons, and electrons are the three basic parts of an atom. The electron is a negatively charged molecule that is located at the center of the atom in the nucleus. The neutron ...

3 Answers

On the periodic table, each element is assigned an atomic number. Besides showing its placement on the periodic table, the atomic number shows the number of protons located in the center of the ...

4 Answers

The answer to this is letter A. There is sometimes a need for electrons and protons to be equal when the given atom is neutral in charge. An atom has three atomic particles. The first one is the ...

4 Answers

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