Question

Elements with atomic number 3 combines with element a with atomic number 17

Answer 1

Answer:

Lithium Chloride  ( LiCl )

Explanation:

An element with an atomic number of 3 is Lithium, if it reacts with an element with an atomic number of 17, which is Chlorine, you get an Ionic compound called Lithium Chloride, a salt. It is highly soluble and melts at 450 °C (842 °F)

Answer 2

$G\begin{tabular}{c | l} Atomic Number & Element \\ \cline{1-2} 1 & Hydrogen \\ 2 & Helium \\ 3 & Lithium \\ 4 & Beryllium \\ 5 & Boron \\ 6 & Carbon \end{tabular} \leq$