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Element Identification Test Questions

Chemistry Test Questions

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Element identification is a basic skill needed in the study of chemistry. This is a collection of ten chemistry test questions with answers dealing with the identification of elements and determining the number of protons and neutrons of an element. The answers are at the end of the test.

A periodic table would be helpful for this test.

Question 1

What is the element X represented by the symbol 9140X.

Question 2

What is the element X represented by the symbol 3316X?

Question 3

What is the element X represented by the symbol 5123X?

Question 4

How many protons and neutrons are in 35Cl?

Question 5

How many protons and neutrons are in 70Ga?

Question 6

How many protons and neutrons are in 60Co?

Question 7

How many protons, neutrons and electrons are in 56Fe3+?

Question 8

How many protons, neutrons and electrons are in 40Ca2+?

Question 9

How many protons, neutrons and electrons are in 16O2-?

Question 10

How many protons, neutrons and electrons are in 122Sb2+?

Answers

1. Zirconium
2. Sulfur
3. Vanadium
4. 17 protons, 18 neutrons
5. 31 protons, 39 neutrons
6. 27 protons, 33 neutrons
7. 26 protons, 30 neutrons, 23 electrons
8. 20 protons, 20 neutrons, 18 electrons
9. 8 protons, 8 neutrons, 10 electrons
10. 51 protons, 71 neutrons, 49 electrons

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