Question 820

Which one of the following is a correct electronic configuration of Sodium?

(a) 2, 8

(b) 8, 2, 1

(c) 2, 1, 8

(d) 2, 8, 1

4 year ago
Mitesh Sharma
Mitesh Sharma

If Z=3, what would be the valency of the element? Also, name the element.???

4 year ago
Mitesh Sharma
Mitesh Sharma

What is (i) Atomic number, ii) Mass number,

4 year ago
Mitesh Sharma
Mitesh Sharma

If K and L shells of an atom are full, then what would be the total number of electrons in the atom

4 year ago
Mitesh Sharma
Mitesh Sharma

If an atom contains one electron and one proton, will it carry any charge or not?

4 year ago
Mitesh Sharma
Mitesh Sharma

Find the value of k, if x = 2, y = 1 is a solution of the equation 2x+3y = k.

4 year ago
Mitesh Sharma
Mitesh Sharma
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