How many atoms are there in one molecule of the following compounds?

a. silver chloride- AgCl
b. calcium oxide- CaO
c. Magnesium nitride- Mg3N2
d. Aluminium oxide- Al2O3
e. Scandium sulfide- Sc2S3
f. Hydrogen Peroxide- H2O2

2 answers

add all the numbers in the formula

if there is no number,
a one is understood
A. 1 silver atom and 1 chlorine atom
B. 1 calcium and 1 oxygen
C. 3 Mg and 2 Nitride
D. Aluminum 2 and oxygen 3
E. 2 Sc and 3 sulfide
F. 2H 2O