Which of the elements do not fall in stair case of the modern periodic table__________________?

Related Mcqs:

The volume occupied by 2.8 g of N2 at STP______________________?

A. 2.24 dm3 B. 22.4 dm3 C. 1.12 dm3 D. 112 dm3...

The sample of isotopes of an element which needs not to be vaporized in the vaporization chamer_________________?

A. Gas B. Liquid C. Volatile solid D. All...

When methl iodide and ethyl iodide are treated with sodium metal possible major products are obtained ?

A. 1 B. 2 C. 3 D. 4...

Which statement is consistent with Hunds rule ?

A. Electrons fill orbitals with parallel spins until all the orbitals of the same energy are half filled then they go into sub-shells with anti-parallel (opposite) spin. B. The electrons in the same atom cannot have the same four quantum numbers C. There is maximum of two electrons is an orbital. D. None...

Fruit juices and fizzy drinks such as lemonade are often sold in aluminium cans. What is the most important reason aluminium is a suitable metal ?

A. aluminium can be recycled B. aluminium has very low density C. aluminium is the most abundant metal in the earth crust D. aluminium is resistant to corrosion by organic acids....