Atoms, Ions, and Isotopes

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

What type of atom is this?

• Normal Atom

• Cation

• Anion

• Isotope

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

What does it change in an ion?

• The number of electrons

• The number of protons

• The number of neutrons

What is the representation of an isotope?

• N^-3

• Al⁺³

• Si

• P-33

What is the atomic number of this element?

• 12

• 24

• 23

What type of atom is element C?

• Normal atom

• Ion

• Isotope