An element X has a valency of 4 whereas another element Y has a valency of 1. What will be the formula of the compound formed between X and Y ?

Q. A compound is formed when elements X and Y chemically combine with each other. X has a valency of 4 and Y has a valency of 2. The molecular formula of the compound will be _______.

Q. An element X forms a compound XH₃ with hydrogen. Another element Y forms a compound YX₂ with X. Given that the valency of hydrogen is 1, what are the valencies of X and Y?

Q. An atom X has three Valence Electrons and atom Y has 6 Valence Electrons. What is the formula of the compound formed between them?

Q. Ramu has an element $X$ with an Atomic Number of 13, while Somu has an element $Y$ with an Atomic Number of 16. If Ramu and Somu mix those elements and heat it, a new compound of $Z$ is formed.
Keeping this mind and answer the following question.
i) Write the electronic configuration of $X$.
ii) Write the electronic configuration of $Y$.
iii) Which one is a metal and which is a non-metal?
iv) What is the valency of $X$?
v) What is the valency of $Y$?
vi) Write the formula of $Z$.