Question

Methane, or CH4, is an example of a molecule whose atoms are held together by which of the following?
A. hydrogen bonds
B. covalent bonds
C. metallic bonds
D. ionic bonds

Answer 1

B

Answer 2

agree with @Natshane

Answer 3

this is normally how I remember it.
Hydrogen bond between H and F/O/N
Covalent between two non-identical elements, non polar
Metallic between metal ions
Ionic - metal and non metal (with exception to Al203) ionicbond only formed between elements with big electronegativity difference.