Atoms, ions, and isotopes

What charge does an atom have when it GAINS electrons?

• Positive

• Negative

• Neutral

What is the mass number of bromine?

• 35

• 45

• 80

• 79.904

What is a representation of an ion?

• Li

• Na-22

• O^-2

What type of atom is this?

• Neutral atom

• Cation

• Anion

• Isotope

Tags

NGSS.MS-PS1-1

What two particles determine the mass number?

• Protons and electrons

• Electrons and neutrons

• Protons and neutrons

What type of atom is this?

• Normal Atom

• Cation

• Anion

• Isotope

Tags

NGSS.MS-PS1-1

What is the mass number of this Neon atom?

• 10

• 11

• 21

• 20

Tags

NGSS.MS-PS1-1

How many neutrons does this Neon atom have?

• 21

• 11

• 10

• 12

Tags

NGSS.MS-PS1-1

What is the representation of an isotope?

• N^-3

• Al⁺³

• Si

• P-33

Two atoms of different elements will definitely have different numbers_____

• Nuclei
• Protons
• Neutrons
• Electrons