What is Matter?

Atoms are the basic building blocks of all _______.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Atoms are made up of mostly _______.

Which statement(s) are true?

• Atoms are the smallest particles of matter.

• Atoms are fully solid spheres.

• Atoms have electrons that are placed randomly like a soup of positive charges.

• Protons and Neutrons are in the nucleus.

• Electrons move at high speeds to form an electron cloud.

Tags

NGSS.MS-PS1-1

Which of the following are subatomic particles?

• Crutons

• Electrons

• Megatrons

• Neutrons

• Protons

Protons have a __________ charge.

Neutrons have a __________ charge.

Electrons have a __________ charge.

Tags

NGSS.MS-PS2-3

The image shows a...

• positive ion

• negative ion

• neutral atom

Tags

NGSS.MS-PS1-1

The image shows a...

• stable atom

• unstable atom

Tags

NGSS.MS-PS1-1

If helium has two protons, two neutrons, and two electrons, what is the atomic number?

• 0

• 2

• 4

• 6

Tags

NGSS.MS-PS1-1