Part A. Identify each of the following compounds as ionic, covalent or acidic .
ID: 999796 • Letter: P
Question
Part A. Identify each of the following compounds as ionic, covalent or acidic. Circle the correct answer(s) only.
i) Cr2O3 ionic or covalent or acid
ii) NH4CN ionic or covalent or acid
iii) MnCO3 ionic or covalent or acid
iv) CS2 ionic or covalent or acid
v) HF ionic or covalent or acid
vi) AlPO4 ionic or covalent or acid
vii) P2O5 ionic or covalent or acid
viii) H2SO3 (aq) ionic or covalent or acid
ix) Pb(NO2)4 ionic or covalent or acid
x) Cu2O ionic or covalent or acid
xi) Ba(H2PO4)2* 2H2O ionic or covalent or acid
xii) Rb2SO4 ionic or covalent or acid
xiii) HF(aq) ionic or covalent or acid
xiv) HOBr(aq) ionic or covalent or acid
xv) Br3O8 ionic or covalent or acid
Part B. Write down the chemical formula of only Type I ionic compounds (with cations that do not have variable stable
charges) contained on the list found on Part A.
Part C. Write down the chemical formula of only Type II ionic compounds (with cations that have variable stable
charges) contained on the list found on Part A.
Explanation / Answer
1. ionic; greater electronegativity difference
2. ionic
3.covalent
4.covalent
5. acid
6. ionic
7. covalent
8. ionic as well as weak acid
9. ionic
10. covalent
11. covalent; hydrated metal salts formed covalent bond
12. ionic; form polyatomic ion
13. acidic
14. acidic but very weak
15. covalent; Br and O having almost same electronegativity