Classify the following compounds as ionic (a metal + a nonmetal), covalent (a no

Question

Classify the following compounds as ionic (a metal + a nonmetal), covalent (a nonmetal + a nonmetal) or both (a compound containing a metal and a polyatomic ion) In the other column list the number of atoms in each compound. Type of Bond 1.) CaCI_2 2.) CO_2 3.) H_2O 4.) Sr_3(PO_4)_2 5.) K_2O 6.) NaF 7.) AI_2(CO_3)_3 8.) CH_4 9.) SO_3 10.) LiBr 11.) Mg_3(PO_4)_2 12.) (NH_4)_2HPO_4 13.) C_12H_22O_11 14.) H_2O 15.) C_2H_5OH List each atom and how many are in the compound. Follow the example below. Ca = 1 CI = 2

Explanation / Answer

CaCl2 is ionic, Ca=1, Cl= 2 ,

CO2- Covalent C= 1, O=2

, H2O- hydrogen bonding as well as covlent, H=2 and O=1

Sr3(PO4)2 ionic, Sr=3, PO4=2

K2O is ionic, K=2 and O=1

NaF is ionic, K=1, F=1

Al2(CO3)2 ionic, Al=2 and CO3=2

CH4 covalent, C=1 and H=4

SO3=covalent, S= 1 and O=3

LiBr is ionic, Li=1 and Br=1

Mg3(PO4)2 ionic, Mg=3 and PO4=2

(NH4)2 PO4 is covalent NH4=2 and PO4=1

C12H22O11 covelent , C=12, H=22 and O=11

H2O is covalent and hydrogen bonding H=2 and O=1

C2H5OH is covalent and hydrogen bonding C=2, H=6, O=1

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