ATOMIC STRUCTURE (based off of coloring assignment)

Matter is everything that has mass and takes up space. What is the smallest unit of matter that retains the chemical properties of an element?

• molecule

• compound

• atom

This subatomic particle determines the identity of the atom

• electron

• proton

• neutron

This subatomic particle provides stability to the atom and prevents protons from repelling one another

• nucleus

• electron

• neutron

This subatomic particle is responsible for the reactivity of an atom.

• proton

• electron

• neutron

Tags

NGSS.MS-PS1-5

These two subatomic particles give an atom most of its mass.

• protons and neutrons

• protons and electron

• neutrons and electrons

The number of protons is equal to ______.

• the number of neutrons

• atomic mass

• the atomic number

The atomic mass is equal to ______.

• the total number of neutrons and electrons

• the total number of neutrons and protons

• the total number of protons and electrons

When an atom has a charge of zero, ______.

• The number of neutrons equals the number of electrons

• the number of protons equals the number of electrons

• the number of neutrons equals the number of protons

This is a negatively charged particle found outside the nucleus.

• electron

• proton

• neutron

Tags

NGSS.MS-PS2-3

This is a positively charged particle found inside the nucleus.

• electron

• proton

• neutron