5. Decide whether the following elements a metal, nonmetal, or metalloid.
Se b. Cs c. Fe d. Cu e. Br f. Cl g. Si
6. Identify group and period for each of the following by referring to the periodic table. Also,
label each as metal, nonmetal or metalloid.
a. C b. Po c. Cr d. Mg e. B
7. Write the formula for the compound of each of the following pairs of ions.
a. Fe3+ and CN- b. K+ and SO42- c. Li+ and N3- d. Ca2+ and P3- e. Cr+3 and O-2 f. Sr+2 and O-2
8. Name the following compounds:
Mg3N2 b. CrSO4 c. CaO d. PbCrO4
9. Write down the chemical formula of the following compounds:
Iron (II) phosphate b. Titanium (IV) oxide c. Thallium (III) nitrate
10. Name the following compounds:
SF4 b. Cl2O7 c. N2O4 d. P4O6 e. PCl3
PCl5 g. Cl2O6
5. Decide whether the following elements a metal, nonmetal, or metalloid.
Se b. Cs c. Fe d. Cu e. Br f. Cl g. Si
6. Identify group and period for each of the following by referring to the periodic table. Also,
label each as metal, nonmetal or metalloid.
a. C b. Po c. Cr d. Mg e. B
7. Write the formula for the compound of each of the following pairs of ions.
a. Fe3+ and CN- b. K+ and SO42- c. Li+ and N3- d. Ca2+ and P3- e. Cr+3 and O-2 f. Sr+2 and O-2
8. Name the following compounds:
Mg3N2 b. CrSO4 c. CaO d. PbCrO4
9. Write down the chemical formula of the following compounds:
Iron (II) phosphate b. Titanium (IV) oxide c. Thallium (III) nitrate
10. Name the following compounds:
SF4 b. Cl2O7 c. N2O4 d. P4O6 e. PCl3
PCl5 g. Cl2O6
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