Chemistry Quiz

Chemistry Quiz

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Question 1 of 24

1. Question
What is an atom?
- The outer electron cloud of an atom.
- The smallest germ in the world.
- The smallest cell in your body.
- The smallest particle of matter.
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Question 2 of 24

2. Question
What is an element?
- The total amount of matter in something.
- A material that cannot be split into simpler materials; each element is made of only one kind of atom.
- A simple substance like water or cotton.
- The location of electrons circling the nucleus of an atom.
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Question 3 of 24

3. Question
What is mass?
- A subatomic particle in the nucleus of an atom.
- A subatomic particle that has no electrical charge.
- An element that has some properties of a metal and some properties of a nonmetal.
- The total amount of matter in something.
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Question 4 of 24

4. Question
What is matter?
- A subatomic particle that has no electrical charge.
- A material that cannot be split into simpler materials; each element is made of only one kind of atom.
- Anything that has mass and takes up space.
- An element that has some properties of a metal and some properties of a nonmetal.
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Question 5 of 24

5. Question
What is a particle?
- A planet.
- A very small piece of something.
- Anything that has mass and takes up space.
- A very small piece of an element that has some properties of a metal and some properties of a nonmetal.
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Question 6 of 24

6. Question
An acid has a pH below ______.
- 3
- 5
- 7
- 10
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Question 7 of 24

7. Question
A base has a ph above _____.
- 9
- 8
- 7
- 10
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Question 8 of 24

8. Question
Water is made of 1 oxygen molecule and _____ hydrogen atoms.
- 2
- 3
- 5
- 1
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Question 9 of 24

9. Question
What is the only metal that is liquid at room temperature?
- Nickel
- Gold
- Mercury
- Copper
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Question 10 of 24

10. Question
When two or more atoms bond, what forms?
- A super bond
- Double atoms
- A Noble gas
- A molecule
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Question 11 of 24

11. Question
Which element is not radioactive?
- Radon
- Polonium
- Uranium
- Nickel
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Question 12 of 24

12. Question
Carbon dioxide has how many oxygen atoms?
- 6
- 2
- 1
- 10
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Question 13 of 24

13. Question
What element do all organic compounds contain?
- Potassium
- Carbon
- Gold
- Helium
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Question 14 of 24

14. Question
At what point does a liquid turn into a gas?
- Freezing point
- Plasma point
- Solid point
- Boiling point
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Question 15 of 24

15. Question
What is the ratio of mass to volume of an object called?
- Mixture
- Solubility
- Changeability
- Density
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Question 16 of 24

16. Question
Which is not a state of matter?
- Solid
- Gas
- Liquid
- Ice
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Question 17 of 24

17. Question
Which number of the pH scale is considered neutral?
- 0
- 1
- 3
- 4
- 7
- 10
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Question 18 of 24

18. Question
What kind of chemical reaction absorbs heat from the environment?
- Endothermic
- Exothermic
- Interthermic
- Plasmathermic
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Question 19 of 24

19. Question
What kind of solvent is water known as?
- Rare
- Special
- Basic
- Universal
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Question 20 of 24

20. Question
One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average adult human body?
- 250 grams
- 500 grams
- practically none
- 1 kilogram
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Question 21 of 24

21. Question
Water-based liquids can be described as acidic, neutral, or basic, with respect to pH. Which of these describes milk?
- Slightly acidic
- Strongly acidic
- Neutral
- Slightly basic
- Milk does not have a pH
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Question 22 of 24

22. Question
DNA codes for proteins, which are the building blocks of organisms. What is the most abundant protein in the human body?
- Tubulin
- Albumin
- Collagen
- Keratin
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Question 23 of 24

23. Question
You can’t live without iron. Where in the body is most of the iron located?
- Your brain
- Your skin
- Your bones
- Your blood
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Question 24 of 24

24. Question
The practice of yoga triggers the release of the brain chemical gamma-aminobutyric acid, or GABA, a chemical in the brain that helps to regulate nerve activity.
- True
- False
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