Atoms, Ions, and Isotopes

What is "42" in the picture?

• the name

• atomic #

• symbol

• mass

What is "95.96" in the picture?

• name

• atomic #

• symbol

• mass

Tags

NGSS.MS-PS1-1

What are the negative (-) circles called?

• protons

• electrons

• neutrons

Tags

NGSS.MS-PS1-1

What are the positive (+) circles called?

• protons

• electrons

• neutrons

Tags

NGSS.MS-PS1-1

What is true about the nucleus?

• It is the place where electrons orbit

• It is a negative space

• It is the center of the atom

How many neutrons does lithium have? (look at the picture!)

• 3

• 7

• 4

What is the atomic mass of oxygen?

• 16

• 8

• 14

Tags

NGSS.MS-PS1-1

What is the atomic number of Beryllium?

• 9

• 4

• 5

Tags

NGSS.MS-PS1-1

How many electrons does Helium have?

• 2

• 4

• 6

Tags

NGSS.MS-PS1-1

Atoms of the same element that have a different number of neutrons are called_________.

• ions

• isotopes

• inert

Tags

NGSS.MS-PS1-1