2023 Chemistry Vocab Study Guide

Particles inside the nucleus that are positively charged and have a mass of 1 amu

• proton

• neutron

• electron

• nucleus

Particles inside the nucleus of an atom that have no charge, and have a mass of 1 amu

• proton

• neutron

• electron

• valence electron

• nucleus

particles in the energy levels of atoms that have no mass and a negative charge

• proton

• electron

• neutron

• nucleus

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The center of the atom containing the protons and neutrons

• nucleus

• energy levels

• neutrons

• electric shells

The "rings" around an atom that contain electrons are:

• energy levels

• nucleus levels

• electric levels

• proton levels

The statement that atoms are stable when they have 8 valence electrons:

• octet rule

• octopus rule

• rule of 8

• octagon rule

The number of protons in the nucleus is called the:

• atomic number

• atomic mass

• mass number

• most important number

The number of protons plus neutrons is called the:

• atomic number

• octet number

• atomic mass

• atomic rule

The rows on the periodic table (side to side) are called:

• periods, and they do NOT have properties in common

• groups, and they do NOT have properties in common

• periods, and they DO have properties in common

• groups, and they DO have properties in common

The columns (up and down) on the periodic table are called:

• Periods and they do NOT have properties in common

• Periods and they DO have properties in common

• Groups and they Do have properties in common

• Groups and they DO NOT have properties in common