IG Chem – Elements, Compounds and Mixtures
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Question 1 of 10
1. Question
1 point(s)All matter can be classified into elements, mixtures, and compounds.
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Question 2 of 10
2. Question
1 point(s)An element is the smallest part of a substance that can exist on its own.
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Question 3 of 10
3. Question
1 point(s)A mixture contains more than one substance that are chemically combined.
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Question 4 of 10
4. Question
1 point(s)Dalton\’s atomic theory states that atoms are indivisible and indestructible.
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Question 5 of 10
5. Question
1 point(s)Atoms of the same element can have different masses.
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Question 6 of 10
6. Question
1 point(s)Sub-atomic particles include protons, neutrons, and electrons.
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Question 7 of 10
7. Question
1 point(s)Protons have a relative mass of about 1/2000.
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Question 8 of 10
8. Question
1 point(s)Neutrons have a relative charge of +1.
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Question 9 of 10
9. Question
1 point(s)Electrons are found in the nucleus of an atom.
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Question 10 of 10
10. Question
1 point(s)Hydrogen is the only atom that has no neutrons.
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