Q2: Lesson 3 | Chemical Bonding

Question 1

transfer of electrons between metals and non metals

Answer 1

ionic bonding

Question 2

sharing of electrons between two nonmetals

Answer 2

covalent bonding

Question 3

two bonded elements. formed by two or more different elements that is chemically bonded

Answer 3

compound

Question 4

most stable elements

Answer 4

group 8 (noble gases)

Question 5

the most stable valence electron

Answer 5

8

Question 6

when it has more protons

Answer 6

cations

Question 7

when it has more electrons

Answer 7

anions

Question 8

force that holds atoms together in a molecule or compound

Answer 8

chemical bond

Question 9

crystals
hard brittle solids
very high melting/boiling point
good conductor of heat & electricity

Answer 9

ionic compound

Question 10

solid, liquid, gas
brittle and weak
low melting/boiling point
poor conductor of heat & electricity

Answer 10

covalent compounds

Question 11

ions are held together by electrostatic forces

Answer 11

ionic compound

Question 12

forces between oppositely charged ions

Answer 12

electrostatic forces

Question 13

atoms are held together by covalent bonds in which electrons are shared

Answer 13

molecular compounds

Question 14

unequal sharing of electrons

Answer 14

polar covalent

Question 15

equal sharing (no transfer) of electrons

Answer 15

nonpolar covalent

Question 16

metal is

Answer 16

positive

Question 17

nonmetal is

Answer 17

negative