give me a list of all the compounds with 7 total atoms

Here is a list of compounds with 7 total atoms:

1. Carbon monoxide (CO)
2. Nitric oxide (NO)
3. Sulfur dioxide (SO2)
4. Boron trifluoride (BF3)
5. Phosphorus tribromide (PBr3)
6. Silicon tetrafluoride (SiF4)
7. Acetylene (C2H2)
8. Ethene (C2H4)
9. Acetonitrile (CH3CN)
10. Methyl chloride (CH3Cl)
11. Dimethyl ether (CH3OCH3)
12. Nitromethane (CH3NO2)
13. Ethanol (C2H5OH)
14. Formaldehyde (CH2O)
15. Ethanal (C2H4O)
16. Diethyl ether (C4H10O)
17. Ethylamine (C2H5NH2)
18. Methylamine (CH3NH2)
19. Ammonium chloride (NH4Cl)
20. Hydrogen peroxide (H2O2)

which formula contains 3 molecules of carbon dioxide

The formula containing 3 molecules of carbon dioxide is 3CO2.

which compound is made of sodium, oxygen and hydrogen

The compound made of sodium, oxygen, and hydrogen is sodium hydroxide (NaOH).

which compound has 7 total atoms

There are several compounds that can have a total of 7 atoms, including:

1. Nitrogen trifluoride (NF3)
2. Boron trifluoride (BF3)
3. Phosphorus trichloride (PCl3)
4. Carbon disulfide (CS2)
5. Ethanol (C2H5OH)
6. Ethyne (C2H2)
7. Acetic acid (CH3COOH)
8. Dimethyl ether (CH3OCH3)
9. Nitromethane (CH3NO2)
10. Hydrazine (N2H4)

These are just a few examples, and there may be more compounds with 7 atoms depending on the elements and their arrangements.

complete the sentences

the blank is the number in blank of the element or compound
answer choices
coefficent
right
equation
front

The blank is the number in front of the element or compound.

answer the first blank also