Subatomic Particles

Front

What gives you the identity of an element?

Back

Protons are the subatomic particles that determine the identity of an element.

Front

Atoms are made up of what?

Back

Atoms are made up of subatomic particles, which include protons, neutrons, and electrons.

Tags

NGSS.MS-PS1-1

Front

Which subatomic particle has a positive charge?

Back

The proton is the subatomic particle that has a positive charge.

Front

Which subatomic particle is counted to determine the type of element the atom represents?

Back

The number of protons in an atom determines the type of element it represents.

Front

Which subatomic particle has no charge, also known as a neutral charge?

Back

The neutron is the subatomic particle that has no charge.

Front

What is the charge of an electron?

Back

The electron has a negative charge.

Tags

NGSS.MS-PS2-3

Front

What is the nucleus of an atom made of?

Back

The nucleus of an atom is made up of protons and neutrons.

Tags

NGSS.MS-PS1-1

Front

What is the relative mass of a proton compared to an electron?

Back

A proton has a relative mass that is approximately 1836 times greater than that of an electron.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which defines the element.

Front

What is the role of neutrons in an atom?

Back

Neutrons help to stabilize the nucleus of an atom by offsetting the repulsive forces between protons.