Classifying chemical compounds

Question 1

ionic compounds

Answer 1

crystalline solid at room temp

high melting point

conducts electricity

most have high Solubility in water

conducts electricity when dissolved in water

Question 2

molecular compounds

Answer 2

L,G or S at room temp

Low melting point

does not conduct electricy

low Solubility

does not usually conduct electricy when dissolved in water

Question 3

ionic compound

Answer 3

metal and a non metal

formed when atoms exchange electrons

metal loses electrons and non metal accepts them

Question 4

covalent compounts

Answer 4

two non metals

when they share electrons

Question 5

electronegativity

Answer 5

measure of an atoms ability to attract electrons WITHIN a chemical bond

increases across a period and decreases down a group

Question 6

using electronegativity to predict bond types

Answer 6

0.0 - 0.39 is non polar covalent

0.4 - 0.89 is moderately polar covalent

0.9 - 1.69 is very polar covalent

1.7 or greater is ionic