Name the following amide:
O
CH3
CH2CH2CH2CN
CH3

Pentane

Explanation: According to the IUPAC(International Union of Pure and Applied Chemistry) the name of this compound will be pentane. This compound belongs to the alkane category, which has single bond between the carbon atoms. This naming is done on the basis of the number of carbon atoms and the nature of the chemical bond between the carbon atoms.

Word roots are selected based on the number of carbon atoms

1 C atom = Meth

2 C atom = Eth

3 C atom = Prop

4 C atom = But

5 C atom = Pent

6 C atom = Hex

7 C atom = Hept

8 C atom = Oct

9 C atom = Non

10 C atom = Dec

Suffixes are added based on the nature of chemical bond between the carbon atoms.

Word root + suffix (here: ane)

d is

answer:

technetium is the most reactive. this is followed by silver. the least reactive out of these three elements is strontium.