Covalent Bonding

Question 1

some atoms share __ to form bonds

Answer 1

electrons

Question 2

number of bonds is equal to ___

Answer 2

number of shared electron pairs

Question 3

shared electron molecules are ___ compounds with ___ bonds

Answer 3

covalent

Question 4

to form bonds, elements gain, lose, or share electrons to achieve ___, which doesn’t apply to hydrogen

Answer 4

8 valence electrons

Question 5

electrons pairs shared between atoms

Answer 5

bonding pairs

Question 5

unshared electron pairs

Answer 5

lone pairs

Question 5

______ on each central atom assists in determination of overall geometry.

Answer 5

Hybridization

Question 6

hydrocarbons with C-C single bonds

Answer 6

alkanes

Question 6

each alkane H-atom can be replaced by:

Answer 6

another atom or a functional group

Question 6

hydrocarbons with C=C bonds

Answer 6

Alkenes

Question 7

C(n)H(2n)

Answer 7

Alkenes

Question 7

hydrocarbons with C≡C bonds

Answer 7

alkynes

Question 8

C(n)H(2n-2)

Answer 8

alkynes

Question 9

in double bonds and isomerism, cis means _

Answer 9

same side

Question 10

in double bonds and isomerism, trans means _

Answer 10

opposite sides

Question 11

Used to study charge distribution in a molecule

Answer 11

formal charge

Question 12

Bond formation by overlap of atomic orbitals and e- pair sharing is called

Answer 12

valence bond theory

Question 12

formula for formal charge

Answer 12

FC=(Group number)-(lone pair)-1/2(bonding pair)

Question 12

atom or molecule with unpaired e-. Very reactive. Most stable molecules have paired e-.

Answer 12

free radical