[GE-CHM 101] Molecules and Compounds

• 27.0 g B

• 9.0 g B

• 3.0 g B

• 1.0 g B

Write the chemical formula for the compound containing two aluminum atoms for every three oxygen atoms. (Ensure the capitalization of letters and disregard subscript as of the moment).

Write the chemical formula for the compound containing three oxygen atoms for every sulfur atom

. (Ensure the capitalization of letters and disregard subscript as of the moment).

Write the chemical formula for the compound containing four chlorine atoms for every carbon atom. (Ensure the capitalization of letters and disregard subscript as of the moment).

How many Magnesium atoms are there in Mg₃(PO₄)₂?

• 2

• 3

• 4

• 6

How many Phosphorous atoms are there in Mg₃(PO₄)₂?

• 2

• 3

• 1

• 4

How many Oxygen atoms are there in Mg₃(PO₄)₂?

• 1

• 2

• 4

• 8

Given the space-filling model and ball-and-stick model, write the molecular formula of the following compound. (NOTE: Blue represents Nitrogen and white for Hydrogen)

Given the space-filling model and ball-and-stick model, write the empirical formula of the following compound. (NOTE: Blue represents Nitrogen and white for Hydrogen)

Which image represents a molecular compound?

• 
•