Chemistry: Isotopes and Ions

#Chemistry #grade9 #grade10 #grade11 Students will be tested on their knowledge of #isotopes and #ions. Based on NGSS HS-PS1-1

What does the atomic number identify?

The number of neutrons of a given atom. The number of protons of a given atom. The number of protons + neutrons of a given atom. The number of elections of a given atom.
The number of protons + neutrons in an atomic nucleus is referred to as what?

Atomic number Mass number Isotope number
Atoms of the same element with differing number of electrons are called ________.

elements isotopes ions
Which subatomic particle is used to identify the atom, as it never changes?

Electron Proton Neutron
How many neutrons are in the nucleus of the following atom:

47 61 108 155
… and 10 more awesome questions! Check them out by clicking “Play”.