Question

question 3 4 pts how do you know what element you have? how many shells are available the number of protons the size of the cloud the number of electrons

Explanation:

The atomic number of an element is determined by the number of protons in its nucleus. Each element has a unique number of protons, which is what defines it. Shells, cloud - size, and number of electrons can vary in different states (ions, excited states etc.) but the number of protons remains constant for a given element.

Answer:

the number of protons