Which of the following electronic configuration (K, L, and M) is correct for lithium atom whose atomic number is 3?
a) 1,0,0
b) 2,0,0
c) 2,1,0
d) 2,2,0
What is the symbol for beryllium atom?
a) Br
b) B
c) Be
d) Bm
Which of the following electronic configuration (K, L, and M) is correct for beryllium atom whose atomic number is 4?
a) 1,0,0
b) 2,0,0
c) 2,1,0
d) 2,2,0
What is the symbol for boron atom?
a) Bo
b) B
c) Br
d) Be
Which of the following electronic configuration (K, L, and M) is correct for Boron atom whose atomic number is 5?
a) 1,0,0
b) 2,3,0
c) 2,1,0
d) 2,2,0
What is the symbol for carbon atom?
a) Cn
b) Cb
c) C
d) Cr
Wrong
by at 2025-03-26 12:08:44