Which of the following electronic configuration (K, L, and M) is correct for Fluorine atom whose atomic number is 9?
a) 2,3,4
b) 2,4,3
c) 2,2,5
d) 2,7,0
What is the symbol for Neon atom?
a) Ne
b) N
c) No
d) Nn
Which of the following electronic configuration (K, L, and M) is correct for Neon atom whose atomic number is 10?
a) 2,5,3
b) 2,8,0
c) 2,2,6
d) 2,4,4
What is the symbol for sodium atom?
a) S
b) Na
c) So
d) Nt
Which of the following electronic configuration (K, L, and M) is correct for sodium atom whose atomic number is 11?
a) 2,4,5
b) 2,5,4
c) 2,2,7
d) 2,8,1
What is the symbol for magnesium atom?
a) Ms
b) M
c) Mn
d) Mg
