Question

6. An element X with atomic number 11
forms a compound with element Y with
atomic number 8. The formula of
compound is: *

Answer 1

Answer:

Na2O

Explanation:

element with atomic no. 11 is sodium (Na) has 1 electron in its outermost shell and

element with atomic no. 8 is Oxygen (O) has 2 electrons in its outermost shell

therefore the formula of the compound is

Na2O