An element contains atomic no `11` it's oxide will be.......

The atom of an element X contains 27 electron X is expected to be

An elements P has atomic no. 13. Write the formula of its oxide

An element X has atomic number 19.What will be the formula of its oxide?

An element X forms two oxides. Formula of the first oxide is XO_(2) . The first contains 50% of oxygen. If the second oxide contains 60% oxygen, the formula of the second oxide is

An atom of an element contains 29 electrons and 35 neutrons. Deduce a. The number of protons and b. The electronic configuration of the element.

The set containing acidic oxides only are

The set containing acidic oxides only are

The oxide of an element contains 32.33 percent of the element and the vapour density of its Chloride is 79. Calculate the atomic mass of the element.

The set that contains atomic numbers of only transition elements , is :

The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong ?