Which law is used to determined the relationship between the volume and the number of moles

Avogadro's Law

Explanation:

Avogadro's number (6.23 x 10^23)

Avogadro's law states that the volume and number of moles are proportional if pressure and temp remain constant.

Avogadros Law

Explanation:

this law relates the volume and the amount in moles of gas

you need to take a look at the periodic system in order to sort these elements into pairs that would most likely exhibit similar chemical properties. first, you need to find elements that are found in the same group (groups are vertical in the periodic system), and then to see whether they have the same valence number. if they meet these criteria, they will have similar properties.

the first pair: ne (neon) and kr (krypton), are noble gases found in group 8

the second pair: li (lithium) and k (potassium), found in group 1

the third pair: s (sulfur) and te (tellurium), found in group 6