science chem

Question 1

smallest unit of an element that retains its properties

Answer 1

molecules

Question 2

Atoms May gain or lose elections , can be positive cat or negative onion

Answer 2

Ion

Question 3

attractive forces that hold atoms together

Answer 3

chemical bonding

Question 4

results from the attraction of electrobs of nuclei for electrons

Answer 4

chemical bonding

Question 5

major types of bonds

Answer 5

mettalic,ionic, covalent

Question 6

must account for the physical properties

ductile,conductive, uniform, malleable etc..

Answer 6

mettalic bonds

Question 7

transferring one or more electrons forming ions

Answer 7

ionic bonds

Question 8

simplest and loest whole number ratio of ions

Answer 8

formula unit

Question 9

sharing of electronss, bonds between 2 or more non metals

Answer 9

covalent bond

Question 10

when 2 nuclei share electrons, difference in electro negativity between 2 atoms

Answer 10

covalent

Question 11

electronegativity 1.7 or greater bond is

Answer 11

ionic

Question 12

electronegtivity less than 1.7 bond is?

Answer 12

covalent

Question 13

combination of active metals as n and H although the difference of elevctronegativity is 12 the bond is stil ionic

Answer 13

exception

Question 14

same electronegativity shared equally and holds diatomic particles

Answer 14

non polar covalent

Question 15

2 different values of electronegativity

Answer 15

polar covalent