Neco Model Questions Vol1 2023 Chemistry Question 31

Practice objective / multiple choice question 31 from the 2023 Neco Model Questions Vol1 Chemistry examination.

Neco Model Questions Vol1 2023 Chemistry Objective / Multiple Choice Easy Difficulty

Question 31 NECO_MODEL_QUESTIONS_VOL1 • 2023 • CHEMISTRY • objective

A sample contains (2.0 \times 10^{23}\) atoms of an element whose atomic number is 15. Determine the total number of protons and the total number of electrons present in the sample.

Answer Options

A. Protons: 3.0×10^23; Electrons: 3.0×10^23

B. Protons: 2.0×10^24; Electrons: 2.0×10^24

Correct Answer C. Protons: 3.0×10^24; Electrons: 3.0×10^24

D. Protons: 3.0×10^24; Electrons: 2.0×10^24

Correct Answer

Correct Option:

Protons: 3.0×10^24; Electrons: 3.0×10^24

About This Question

This is Neco Model Questions Vol1 2023 Chemistry Question 31. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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