Calcium is an element with atomic number 20.
(i) Is it a metal or non-metal ?
(ii) Will its size be more or smaller than chat of potassium?
(iii) Write the formula of its chloride.

Calcium is an element with atomic number 20. Stating reason for each of the following questions : (i) Is calcium a metal or non-metal ? (ii) Will its atomic radius be larger or smaller than that of potassium with atomic number 19 ? (iii) Write the formula of its oxide.

An element has an atomic number 16. State whether it is a metal or non-metal.

Atomic number of element Z is 16. Is Z a metal or a non metal.

The formula of a metal oxide Is MO. Then write the formula of its chloride.

An atom of an element X has 2 electrons in its N shell. Is it a metal or non-metal ?

The atomic number of an element is 19.Is the element a metal or non-metal?

The atomic number of an element is 16.Is the element a metal or non-metal?