Question

All atoms of an element are ________?

Answer 1

Answer: they are flammable

Explanation:   i took the test! so its 100% A. flammable

Answer 2

Possibly different But here I hope this helps Recall that neutrons, along with protons, make up the nucleus. Since neutrons have no electrical charge, they do not affect the chemical behavior. ... Atoms of the same element with different numbers of neutrons are called isotopes.