Question

Which of the following are atoms of the same element? Check all that apply. an atom with eight protons and seven electrons an atom with nine protons and seven electrons an atom with eight protons and eight electrons an atom with eight protons and no electrons

Answer 1

Answer:

an atom with eight protons and seven electrons

an atom with eight protons and eight electrons

an atom with eight protons and no electrons

Explanation:

To tell atoms of the same element, it is safe to look at the number of protons. In neutral atoms, the number of protons will be equal with that of electrons but nonetheless, electrons are easily knocked out of their orbit to create charged atoms. Neutrons, on the other hand, can slightly vary in number  creating different isotopes of the element. Changing the protons would change the atom into that of another element. Protons, therefore, are used to place an element on the periodic table.