What is the symbol for Argon atom?
a) A
b) Ar
c) An
d) Ag
Which of the following electronic configuration (K, L, and M) is correct for Argon atom whose atomic number is 18?
a) 2,8,8
b) 2,10,6
c) 2,6,120
d) 2,7,9
How many proton/s is/are present in Hydrogen atom?
a) 1
b) 2
c) 3
d) 4
How many electron/s is/are present in Hydrogen atom?
a) 1
b) 2
c) 3
d) 4
How many neutron/s is/are present in Hydrogen atom?
a) 1
b) 2
c) 3
d) 0
How
many proton/s is/are present in Lithium atom?
a) 1
b) 3
c) 7
d) 4
