chemistry

PERIODIC TABLE BITS

1.The long form of the periodic table is also known as

a) Bohr’s periodic table

b)Lothermeyer’s table

c)Mendeleeff’s table

d)Sommerfeld table

2.An example of a metalloid

a) Ba

b)B

c)Si

d)Sn

3.Modern periodic table is constructed based on

a) Atomic radius

b)Atomic mass

c)atomic valency

d) atomic number

4. Which of the following is not a periodic  property?

a) valency

b)atomic radius

c)colour

d) electro positive nature of the element

5.Which of the following is a periodic  property?

a) atomic volume

b) melting point

c) ionization energy

d) all the three