Atomic no 1

Atomic number of hydrogen is 1 and the atomic number of fluorine atom is 9. Write the formation of hydrogen fluoride (HF).

'The number of atoms in 1 mole of hydrogen is twice the number of atoms in 1 mole of helium, at the same temperature and pressure." Why ?

Calculate number of atoms in 1.8 g of water.

Calculate number of atoms in 1.2 g of carbon.

What type of bonding will be present in the oxide of the element with atomic number 1?

The number of atom in 1.6g of CH_4 is approx:

Find number of O-atoms in 1 moles O_(2)

A scientist attempts to replace a few carbon atoms in 1.0 g of diamond with boron atoms or nitrogen atoms in separate experiments. Which of the following is correct ?

Specify the coordination geometry around and the hybridisation of N and B atoms in 1 : 1 complex of BF_(3) and NH_(3) .

Specify the coordination geometry around and the hybridisation of N and B atoms in 1 : 1 complex of BF_(3) and NH_(3) .