Question

Oxygen-12

Answer 1

Answer:

OXYGEN-12:

# of  protons:8

# of  neutrons:12-8 =4

# of  electrons:8

OXYGEN-13:

# of  protons:8

# of  neutrons:13-8=5

# of  electrons:8

OXYGEN-14:

# of  protons:8

# of  neutrons:14-8=6

# of  electrons:8

Explanation:

CALCULATION FORMULA

# of  protons = POSITION IN PERIODIC TABLE (ATOMIC NUMBER)

# of ELECTRON = NO OF PROTONS

# of  neutrons = MASS NUMBER (GIVEN IN NAME) - PROTON NUMBER