Question

In the following pair of binary compounds determine which one is a molecular substance and which one is an ionic substance. SiF, and LaF3. a SiF, is an ionic substance, LaF, is a molecular substance LaF, is an ionic substance. SiF, is a molecular substance

Answer 1

Ni 3+ and CO3 2− (ion with variable charge)

cation (with roman numeral for charge) and then the first anion

Ni2(CO3)3

nickel(III) carbonate

Al2 3+ CO3 2- (regular polyatomic ionic)

cation and the first anion with "ate" ending

Al2(CO3)3

Aluminium Carbonate

Step-by-step explanation: