Question

1 The atomic number of an element 'X' is 20.
8 (i) Determine the position of the element 'X' in the periodic table.
(ii) Write the formula of the compound formed when 'X' reacts/combines with another
element 'Y' (atomic number 8).
(iii) What would be the nature (acidic or basic) of the compound formed? Justify your​

Answer 1

Explanation:

If we are able to create a world of our own we would that world with everything we like and erasing everything that we dislike. But that world could change based on our ages. So like every normal people I have my own world in my mind since I was little. Since my dream is to become a scientist I want to be the creator of every single thing in my own world. I want to protect my own world like “Super Man” protects the earth.

Answer 2

Answer:

the element is calcium

Explanation:

it is in the II group and the 4th period

calcium oxide CaO

since calcium is a metal calcium oxide is a metallic oxide and therefore it is basic in nature because all metal oxides are basic in nature