Question

What happens when there is an element and there is another element what is that called?

Answer 1

It is called Chemical compound

$\rightarrow{Element\:+\:Element\:=\:Chemical\: compound}$

for example →

$\large\rightarrow\pink{HCL}$

$\large\rightarrow{\color{yellow}{{CO}_{2}}}$

$\large\rightarrow{\color{lime}{NaOH}}$