Processing math: 100%

Home / Aptitude Tests / Chemistry / Which of the followi...

Which of the following electron configurations represents th...

Which of the following electron configurations represents the transition element Chromium $_{24}Cr$ ?

A.

$1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{6} 4s^{2} 3d^{4}$

B.

$1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{6}$

C.

$1s^{2}2s^{2}2p^{6}3s^{2}3d^{4} 4s^{1}$

D.

$1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{1}3d^{5}$

View answer & explanation

Correct answer is D

Electronic configuration of Chromium: $1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{1}3d^{5}$

See all Chemistry questions & answers

See more WAEC questions & answers

Similar Questions

Starch could be converted to glucose by the process of ...

What process is involved in the reaction represented by the following equation? AICI3 + 3H2O(l) → ...

The liquid product of the destructive distillation of coal is ...

A mixture of common salt, ammonium chloride and barium sulphate can best be separated by ...

The diagram above represents the formation of ...

Which of the following is an example of a chemical change? ...

A factor that is considered most important when siting a chemical industry is? ...

How many grams of hydrogen gas will be liberated when 6g of magnesium ribbon dissolves in 500cm3 of ...

The entropy and enthalpy of a system are a measure of ...

An element X has two isotopes, $^{20} _{10}X$ and $^{22} _{10}X$ , present in the ratio 1:3...

Aptitude Tests

Typing Speed and Accuracy Test

Quantitative Reasoning Questions and Answers

Abstract Reasoning Questions and Answers

Numerical Reasoning Questions and Answers

Situational Judgement Questions and Answers

Puzzles Questions and Answers

Verbal Reasoning Questions and Answers

Logical Reasoning Questions and Answers

Personality Test

Data Interpretation Questions and Answers

Nigeria General Knowledge Questions and Answers

Microsoft Office Questions and Answers

Spatial Reasoning Questions and Answers

View latest jobs in Nigeria today