Question

29. 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 answer to your question is: Elements Y and Z

Step-by-step explanation:

Elements have similar properties if they are located in the same group. Elements in the same group have the same valence number.

Element X 5 valence electrons

Element Y 1 valence electrons

Element Z 1 valence electrons

Answer 2

element Y and Z

Step-by-step explanation:

Having on valence electron indicates that these elements are on the same column/group of the periodic table. Both these elements will bond with a -1 charge.