Revision:Periodic Table

1. Element are arranged in the modern Periodic Table based on their
A number of protons C nucleon number
B number of neutrons D atomic radius

2. Element P is placed above element Q in the same group in the Periodic Table
If element Q has 20 protons in the nucleus of its atom ,what is the electron
arrangement for the atoms of element P?
A 2.2 C 2.8.6
B 2.8.2 D 2.8.8.2

3. Accros Periods 3, one of the properties of elements increases.Which of the
following is the property?
A Electronegativity C Boiling point
B Atomic size D Electrical conductivity

4. Oxide ions and oxygen atoms are different in their
A number of protons C number of electron
B number of neutrons D nucleon number

5. Atom X reacts with chlorine to form a covalent compound with the formula
XCl. What is atom X?

A Sodium C Barium
B Carbon D Hydrogen

6. Compound Y is made up of one metal atom and two non-metal atoms.Which are the
properties of compound Y?
I highly volatile
II Conducts electricity in liquid state
III high melting point and boiling point
IV Highly soluble in organic solvent

A I and II only C I, II and IV only
B II and III only D II, III and IV only