CHEM pt 2 - Chemical Bonding and Compounds

Question 1

Why are compounds ionic?

Answer 1

Compounds are ionic because one element gives electrons, and the other takes electrons.

Question 2

What types of elements form ionic compounds?

Answer 2

Ionic compounds are made up of a metal and a non-metal.

Question 3

What is the general rule for naming ionic compounds?

Answer 3

The name is written as “metal non-metal-ide.”
Example: NaCl is named sodium chloride.

Question 4

How do you modify the name of the non-metal in an ionic compound?

Answer 4

Replace the ending of the non-metal’s name with “-ide.”

Question 5

What do you write first and second when making an ionic formula?

Answer 5

The metal with its charge and the non-metal with its charge.

Question 6

How do you find the subscripts for an ionic formula?

Answer 6

criss cross the charges, simply swap the charges between the metal and non metal

Question 7

example- What is the formula for magnesium chloride?

Answer 7

Mg²⁺ and Cl⁻ → Criss-cross → MgCl₂.

Question 8

what is a polyatomic ion?

Answer 8

An ion made up of more than one atom that acts as a single particle.

Question 9

What prefix is used for 1 atom?

Answer 9

Mono-

Question 10

What prefix is used for 2 atoms?

Answer 10

Di-

Question 11

What prefix is used for 3 atoms?

Answer 11

Tri-

Question 12

What prefix is used for 4 atoms?

Answer 12

Tetra-

Question 13

What prefix is used for 5 atoms?

Answer 13

Penta-

Question 14

What prefix is used for 6 atoms?

Answer 14

Hexa-

Question 15

What prefix is used for 7 atoms?

Answer 15

Hepta-

Question 16

What prefix is used for 8 atoms?

Answer 16

Octa-

Question 17

What prefix is used for 9 atoms?

Answer 17

Nona-

Question 18

What prefix is used for 10 atoms?

Answer 18

Deca-

Question 19

example- What is the name of N2O5?

Answer 19

Dinitrogen pentoxide

Question 20

What is the formula for sulfur hexafluoride?

Answer 20

SF6