Need asap with this chemistry if someone could me

1.) which one of the following has the strongest co bond?

lewis structures of formaldehyde, carbon dioxide, and carbon monoxide

h2co
co2
co
they all have the same strength co bond

2.) which one of the following elements has the greatest electronegativity?

al
p
n
b
na

3.) the electronegativities of four elements (l, m, q, and r) are as follows:
l: 1.1 m: 2.1 q: 2.4 r: 3.5

in which of the following diatomic molecules would the least polar bond be expected?

lm
mq
qr
lr
mr

4.) what is a reasonable lewis structure for the molecule ch2o?

5.) nitrogen–nitrogen bond lengths of 1.10, 1.25 and 1.45 å have been measured for different molecules.

match the molecules n2f2, n2, n2f4 with appropriate n-n bond length.
1.10 a 1.25 a 1.45 a
a. n2 n2f4 n2f2
b. n2 n2f2 n2f4
c. n2f4 n2 n2f2
d. n2f2 n2 n2f4
e. n2f4 n2f2 n2

6.)which of the following lewis structures are incorrect?
i only
ii only
iii only
i and ii
i, ii and iii