SECTION REVIEW s the significance of a chemical formula? 3. Name the following c
ID: 593955 • Letter: S
Question
SECTION REVIEW s the significance of a chemical formula? 3. Name the following compounds by using the " Write formulas for the compounds formed Stock system: a. Nal b. Mgs between the following: a. aluminum and bromine b. sodium and oxygen c. magnesium and iodine d. Pb2+ and 02 e. Sn2+ and I f. Fe3+ and s2- g. Cu2+ and No3 h. NH2 and so2 c. Ca0 e. CuB f. FeClz 4. Write formulas for each of the following compounds: a. sodium hydroxide e. carbon diselenide b. lead(I) nitrate c. iron(I) sulfate d. diphosphorus trioxide h. sulfurous acid f. acetic acid g. chloric acid Critical Thinking 5. RELATING IDEAS Draw the Lewis structure, give the name, and predict VSEPR geometry of SCl,. CHEMICAL FORMULAS AND CHEMICAL COMPOUNDSExplanation / Answer
1. A chemical formula tells us the number of atoms of each element in a compound. It contains the symbols of the atoms of the elements present in the compound as well as how many there are for each element in the form of subscripts. Each chemical substance has a specific chemical composition, hence the chemical substances have their own chemical formula.
2 a. Aluminum bromide (AlBr3)
b. Sodium oxide (Na2O)
c. Magnesium iodide (MgI2)
d. Lead oxide (PbO)
e. Tin iodide (SnI2)
f. Ferric sulfide (Fe3S2)
g. Cupric nitrate (Cu(NO3)2)
h. Ammonium sulfate ((NH4)2SO4)
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