C is the correct answer. For nonmetal-nonmetal compounds, use the Greek prefixes
Mono - 1
Di - 2
Tri - 3
Tetra - 4
Penta - 5
Hexa - 6
Hepta - 7
And so on...
The reason D is not right is because a and o cannot be next to each other in between prefix and element.
Hope this helps!
Thee question is incomplete; the complete question is;
Which elements do not strictly follow the octet rule when they appear in the Lewis structure of a molecule?
Select one or more:
A: Chlorine
B: Carbon
C: Hydrogen
D: Sulfur
E: Fluorine
F: Oxygen
Answer:
chlorine
sulphur
Explanation:
The octet rule states that, for atoms to be stable, they must have eight electrons on their outermost shells.
This rule is not strictly followed by some elements such as sulphur and chlorine. The atoms of these elements can sometimes expand their octet by utilizing the d-orbitals found in the third principal energy level and beyond.
These leads to formation of compounds in which the central atom has more than eight electrons in its outermost shell.
Answer: 1) 
2) 
3) 
4) 
Explanation:
According to the Bronsted-Lowry conjugate acid-base theory, an acid is defined as a substance which looses donates protons and thus forming conjugate base and a base is defined as a substance which accepts protons and thus forming conjugate acid.
1) 
Here, 
is loosing a proton, thus it is considered as an acid and after losing a proton, it forms which is a conjugate base.
2) 
Here, 
is loosing a proton, thus it is considered as an acid and after losing a proton, it forms which is a conjugate base.
3) 
Here, 
is loosing a proton, thus it is considered as an acid and after losing a proton, it forms which is a conjugate base.
4) 
Here, 
is loosing a proton, thus it is considered as an acid and after losing a proton, it forms which is a conjugate base.
Divide the mass of the proton by the mass of the electron.
Answer:
First Choice
it produces offspring with a large amount of genetic variation
