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Year 10 chemistry exam revision

Authored by Rachel Le Feuvre

Science

10th Grade

NGSS covered

Used 3+ times

Year 10 chemistry exam revision
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57 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Which of the following is true about atoms?

Are the smallest particle in the universe

Contains a nucleus of protons and electrons

Can be split into molecules and compounds

Contains a nucleus of protons and neutrons

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An element, X, has the following electron configuration: 2, 5. The atomic number of element X would be

2

5

7

3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following lists of sub-atomic particles constitutes an ion?

17 protons, 18 neutrons, 18 electrons

8 protons, 8 neutrons, 8 electrons

1 proton, 0 neutrons, 1 electron

92 protons, 146 neutrons, 92 electrons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

This is a diagram of a chlorine atom. What is the electron configuration of this atom?

2, 8, 7

2, 7, 8

8, 7, 2

10, 7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Would Chlorine accept or donate electrons to become an ion?

Accept

Donate

Share

Chlorine is a noble gas so it does not have to become an ion.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Chlorine has 7 electrons in its outer shell. It needs 1 more to have a full outer shell and be content. What is the ion symbol for a chlorine atom that has filled its outer electron shell?

+1

-1

+7

-7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Look at the symbol for Sodium. What is the atomic number for sodium?

34

23

12

11

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