o 15.999 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____…

o 15.999 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____ zinc 65.39 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____ li 6.941 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____ silicon 28.086 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____ b 10.81 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____ bromine 79.904 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____

o 15.999 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____ zinc 65.39 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____ li 6.941 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____ silicon 28.086 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____ b 10.81 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____ bromine 79.904 atomic # = ____ atomic mass = ____ # of protons = ____ # of neutrons = ____ # of electrons = ____

Answer

Explanation:

Step1: Recall atomic number facts

Atomic number = number of protons = number of electrons in a neutral atom.

Step2: Recall neutron - proton relationship

Number of neutrons = Atomic mass (rounded to nearest whole number) - Number of protons.

Oxygen (O)

Atomic number = 8 Atomic mass = 15.999 ≈ 16 Number of protons = 8 Number of neutrons = 16 - 8=8 Number of electrons = 8

Zinc (Zn)

Atomic number = 30 Atomic mass = 65.38 ≈ 65 Number of protons = 30 Number of neutrons = 65 - 30 = 35 Number of electrons = 30

Lithium (Li)

Atomic number = 3 Atomic mass = 6.941≈7 Number of protons = 3 Number of neutrons = 7 - 3 = 4 Number of electrons = 3

Silicon (Si)

Atomic number = 14 Atomic mass = 28.086≈28 Number of protons = 14 Number of neutrons = 28 - 14 = 14 Number of electrons = 14

Boron (B)

Atomic number = 5 Atomic mass = 10.81≈11 Number of protons = 5 Number of neutrons = 11 - 5 = 6 Number of electrons = 5

Bromine (Br)

Atomic number = 35 Atomic mass = 79.904≈80 Number of protons = 35 Number of neutrons = 80 - 35 = 45 Number of electrons = 35

Answer:

Oxygen: Atomic number = 8 Atomic mass = 15.999 Number of protons = 8 Number of neutrons = 8 Number of electrons = 8

Zinc: Atomic number = 30 Atomic mass = 65.38 Number of protons = 30 Number of neutrons = 35 Number of electrons = 30

Lithium: Atomic number = 3 Atomic mass = 6.941 Number of protons = 3 Number of neutrons = 4 Number of electrons = 3

Silicon: Atomic number = 14 Atomic mass = 28.086 Number of protons = 14 Number of neutrons = 14 Number of electrons = 14

Boron: Atomic number = 5 Atomic mass = 10.81 Number of protons = 5 Number of neutrons = 6 Number of electrons = 5

Bromine: Atomic number = 35 Atomic mass = 79.904 Number of protons = 35 Number of neutrons = 45 Number of electrons = 35