write the number of atoms of each element found in one unit of the compound:

Potassium iodide, KI
Sodium sulfide, Na2S
Silicon Dioxide, SiO2
Carbonic acid, H2CO3

Question

write the number of atoms of each element found in one unit of the compound:

Potassium iodide, KI
Sodium sulfide, Na2S
Silicon Dioxide, SiO2
Carbonic acid, H2CO3

rogue · Answer

Its pretty easy, just count the # of atoms in each compound. KI has a potassium and an iodide, so 2. Sodium sulfide has 2 sodiums and 1 sulfur, so 3. Can you do the other 2?

anonymous · Answer

silicon dioxide is 3 right? and Carbonic acid is 6 right?

rogue · Answer

Yup, great job!

anonymous · Answer

yay!!!!!!! i did it! i got the last question

rogue · Answer

Congratz & good luck :)