Atom

In terms of matter, the atom is almost entirely filled with _____

• orbiting electrons

• charged protons

• heavy neutrons

• empty space

Tags

NGSS.MS-PS1-1

Most of the mass in an atom is made up of _____________________?

• protons and electrons
• protons and neutrons
• neutrons and electrons
• electrons and quarks

Tags

NGSS.MS-PS1-1

The Model of the ATOM has:

• Changed many times

• Never changed

• Changed once

Tags

NGSS.MS-PS1-1

True or False? Neutrons have a negative charge

• True

• False

What are Subatomic Particles?

• The entire atom

• the tiny parts inside the atom

• The electron cloud and space surrounding the atom

Elements are pure substances. They are made up of

• only 1 type of atom.

• 2 types of atoms.

• more than 2 types of atoms.

Tags

NGSS.MS-PS1-1

Matter is made of

• just electrons

• chemistry

• atoms

• protons and neutrons

Tags

NGSS.MS-PS1-1

The nucleus

• is located in the orbit of the atom.

• has a negative charge.

• is the center of the atom.

• has all the subatomic particles.

Electrons, protons, and neutrons are

• elements

• pure substances

• subatomic particles

• all the same

Which is true of neutrons?

• They have a positive charge and are located in the nucleus.

• They have no charge and are located in the nucleus.

• They have a negative charge and are located in orbit.

• They have no charge and located in orbit.