Atoms and Ions

How many protons does lithium have?

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

What charge does an atom have when it GAINS electrons?

• Positive

• Negative

• Neutral

What is a representation of an ion?

• Li

• Na-22

• O^-2

What is the mass number of bromine?

• 35

• 45

• 80

• 79.904

Tags

NGSS.MS-PS1-1

How many neutrons does this bromine atom have?

• 35

• 45

• 80

Tags

NGSS.MS-PS1-1

What two particles determine the mass number?

• Protons and electrons

• Electrons and neutrons

• Protons and neutrons

What is the mass number of this Neon atom?

• 10

• 11

• 21

• 20

Tags

NGSS.MS-PS1-1

What changes in an ion?

• The number of electrons

• The number of protons

• The number of neutrons

How many neutrons does this Neon atom have?

• 21

• 11

• 10

• 12

Tags

NGSS.MS-PS1-1

What is the atomic number of this element?

• 12

• 24

• 23

Tags

NGSS.MS-PS1-1