What are the 3 subatomic particles of an atom?

• hydrogen

• proton

• molecule

• electron

• neutron

Which are molecules? Select all of the molecules shown in the image.

• Nitrogen

• Water

• Alanine

• Carbon

• Glucose

Tags

NGSS.MS-PS1-1

Which are atoms? Select all of the atoms shown in the image.

• Nitrogen

• Water

• Alanine

• Carbon

• Glucose

Tags

NGSS.MS-PS1-1

There are more different types of atoms than there are different types of molecules.

• True

• False

Tags

NGSS.MS-PS1-1

There are more different types of molecules than there are different types of atoms.

• True

• False

Tags

NGSS.MS-PS1-1

Choose all the Noble Gases.

• H

• He

• Ts

• Xe

• F

Choose all of the liquids.

• Br

• Cl

• Hg

• N

• H₂O

Tags

NGSS.MS-PS1-4

Find the element symbol Ca (calcium). What is its atomic number?

What group is Cu (copper) in?

What period is C (carbon) in?