Neco 2019 Chemistry Question 1

Practice objective / multiple choice question 1 from the 2019 Neco Chemistry examination.

Neco 2019 Chemistry Objective / Multiple Choice Easy Difficulty
Question 1 NECO • 2019 • CHEMISTRY • objective
Neco 2019 Chemistry Question 1 diagram

The diagram shows the Bohr model of an element. The nucleus is labelled \(\_{17}^{35}\text{Cl}\). The electron shells contain 2, 8 and 7 electrons respectively. Identify the element symbol, its atomic number, mass number and calculate the number of neutrons.

Answer Options

Correct Answer A. Cl, atomic number 17, mass number 35, neutrons 18
B. Cl, atomic number 17, mass number 35, neutrons 17
C. Cl, atomic number 17, mass number 36, neutrons 19
D. Br, atomic number 35, mass number 79, neutrons 44
Correct Answer
A
Correct Option:
Cl, atomic number 17, mass number 35, neutrons 18

About This Question

This is Neco 2019 Chemistry Question 1. It is one of the objective questions from the 2019 Neco Chemistry examination.

Difficulty level: Easy .

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