Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons. How many valence electrons does each zinc atom lose?
A. 1
B. 2
C. 3
D. 4

Question

Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons. How many valence electrons does each zinc atom lose?
 A. 1
 B. 2
 C. 3
 D. 4

anonymous · Answer

@sammixboo

anonymous · Answer

I think 
it is 2, but i am not sure

sammixboo · Answer

I believe it is 2 also, but I am trying to understand why it is 2.

anonymous · Answer

i think it is 2 cuz it says P2 so that is 10 and is missing 6 to become stable so 6/3=2
3 cuz it says Zn3

sammixboo · Answer

Yeah that makes more sense now.

anonymous · Answer

can u help me with one more

sammixboo · Answer

I remember looking at this problem a long time ago and the answer was 2, and yeah I would love to help.

anonymous · Answer

Lithium nitride has the chemical formula Li3N. Rubidium is in the same chemical family as lithium. What is the formula of rubidium nitride?
 A. RbN
 B. RbN3
 C. Rb3N
 D. Rb2N3
i think it is c

sammixboo · Answer

Hmm I am not sure about this one.

anonymous · Answer

haha ok thanks