Question

atoms of 18 elements A B C D E F G and H have the same number of Electronics cells but different number of electrons in their outermost shells it was found that elements A and G combines to form an ionic compound which can also be extracted from sea water. Oxides of the elements A and B are basic in nature while those of E and F are acidic. The oxides of element D is almost natural​

Answer 1

Answer:

Explanation:

Tell me where is the question and I will answer it to u. I read the whole thing twice and I did not get it. So yeah.....