Atomic structure and bonding - Jamb Chemistry Past Questions and Answers

Question 176:

• JAMB 2015

The above orbital diagram shown the electronic configuration of

A. Chlorine
B. Nitrogen
C. Calcium
D. Neon

Question 177:

• JAMB 2015

Which of the following metals burns with brick red

A. Pb
B. Ca
C. Na
D. Mg

Question 178:

• JAMB 2015

Which of the activities is commonly used as a nuclear fuel

A. Uranium
B. Palladium
C. Actium
D. Thorium

Question 179:

• JAMB 2015

Electronic configuration of an elements 13x in the subsidiary energy level is

A. \( 1s^2 2s^2 2p^6 3s^2 3p^1 \)
B. \( 1s^22s^2 2p^4 3p^1 3s^1 \)
C. \( 1s^2 2s^2 2p^6 3s^2 3p^3 \)
D. \( 1s^1 2s^2 2p^6 3s^2 3p^4 \)

Question 180:

• JAMB 2015

Chlorine consisting of two isotope of mass number 35 and 37 in the ratio 3:1 has an atomic mass of 35.5. Calculate the relative abundance of the isotope of mass number 37

A. 20
B. 25
C. 60
D. 75