# Nomenclature (Worksheet)

Name: ______________________________

Section: _____________________________

Student ID#:__________________________

Work in groups on these problems. You should try to answer the questions without referring to your textbook. If you get stuck, try asking another group for help.

## Q1.

Using the periodic table as a guide, predict the chemical formula dn name of the compound formed by the following elements:

1. $$Ga$$ and $$F$$
2. $$Li$$ and $$H$$
3. $$Al$$ and $$I$$
4. $$K$$ and $$S$$
5. $$Ca$$ and $$Br$$
6. $$K$$ and $$CO_3$$
7. $$Al$$ and $$C_2H_3O_2$$
8. $$NH_4$$ and $$SO_4$$
9. $$Mg$$ and $$PO_4$$

## Q2.

Name the following compounds

1. $$LiNO_3$$
2. $$Sc_2O_3$$
3. $$CsBr$$
4. $$NF_3$$
5. $$Ag_2SO_4$$
6. $$PF_5$$
7. $$NaI$$
8. $$SCl_2$$
9. $$Ca(NO_3)_2$$
10. $$FeCl_3$$
11. $$CoCO_3$$
12. $$N_2O_4$$

## Q3.

Write the chemical formulas fro the following compounds

1. aluminum hdroxide
2. potassium sulfate
3. copper (I) oxide
4. zinc nitrate
5. mercury (II) bromide
6. iron (III) carbonate
7. sodium phosphate
8. cobalt (II) nitrate
9. copper (II) percholorate
10. magnesium hydrogen carbonate
11. chromium (III) acetate

## Q4.

Calculate the following quantities

1. mass, in grams, of 0.773 mol of $$CaH_2$$
2. moles of $$Mg(NO_3)_2$$ in 5.35 g of this substance
3. number of molecules in 0.0305 mol $$CH_3OH\_ 4. number of C atoms in 0.585 mol \(C_4G_{10}$$
5. Mass in grams, of 1.906 x 10‐2 mol $$BaI_2$$
6. number of moles of $$NH_4Cl$$ in 48.3 g of this substance
7. number of molecules of 0.05752 mol $$HCHO_2$$

## Q5.

Give the empirical formula of each of the following compounds if a sample contains

1. 0.0130 mol C, 0.0390 mol H, and 0.065 mol O
2. 11.6 g iron and 5.01 g oxygen
3. 40.0% C, 6.7% H, and 53.3% O by mass