Question

two elements x and y have atomic number 20and 17 respevtively. to which period of the modern periodic table do these two elements belong ?what type of Bond will be formed between them and why ?also give the chemical formula of the compound formed. ​

Answer 1

Answer:

x is in 4 period and y is in 3 period and element is calcium and chlorine

Answer 2

Answer:

X belongs to fourth period that is calcium and y belongs to third period that is chlorine

chemical formula for the compound form is(cacl) calcium chloride the ionic bond formed between them