Question

Element X has five valence electrons, element Y has one valence electron, and element Z has one valence electron. Which two of these elements are most likely to have similar properties? Explain your answer.

Answer 1

The two elements would be element Y and element Z. They both have one valence electron. This means that their bonding properties would be similar because both of them can donate 1 electron. Since both of them have one valence electron, one can assume that they also belong in the same group. 

Answer 2

Answer:

Element Y and element Z

Explanation:

One of the criteria for grouping the elements in the periodic table is according to their valence electrons.

If several elements have the same amount of valence electrons, they belong to the same group.

If they have the same configuration of valence electrons, then electronegativity, atomic radius, ionization energy, among others. It will be similar.

Element Y and element Z have the same number of valence electrons, then they will be located in the same group, and share similar periodic properties