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Test Revision > Chemistry cards > Flashcards

Chemistry cards Flashcards

Learn about how atoms and elements mix and react

1
Q

What state of matter diffuses?

A

Gas

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2
Q

What is sublimation?

A

Where a solid turns into a gas without becoming a liquid.

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3
Q

What is deposition?

A

The opposite of sublimation- a gas to a solid without becoming a liquid.

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4
Q

Which state of matter has the most energy?

A

Gas

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5
Q

Which state of matter has the least energy?

A

Solid

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6
Q

Which state of matter is hydrogen at room temperature?

A

Gas

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7
Q

Elements of the periodic table:

What state is Fe at room temperature?

A

Solid

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8
Q

What structure do the particles of a solid have

A

A regular, arranged structure

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9
Q

Elements of the periodic table:

What state is H at room temperature?

A

Gas

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10
Q

Elements of the periodic table:

What state is K at room temperature?

A

A solid

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11
Q

True or false: does a solid have no fixed shape or volume?

A

False

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12
Q

What volume does a liquid have?

A

A fixed volume but a shape that changes to fill the bottom of the container.

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13
Q

Is a gas able to flow?

A

Yes

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14
Q

Can a liquid be compressed?

A

No- it has a high density so it can’t be compressed.

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15
Q

Does a gas have a high or low density?

A

Low so it can be compressed.

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16
Q

What does the word properties mean in science?

A

Characteristics or features

17
Q

What does the word matter mean in science?

A

Any substance that has mass and takes up space

18
Q

What is an atom?

A

The smallest part of an element that can exist.

19
Q

What is a bond?

A

An attraction between atoms or molecules that enables the formation of chemical compounds

20
Q

What is a compound?

A

A substance made up of two or more different elements

21
Q

What is a chemical reaction?

A

A process that involves rearrangement of atoms to produce new substances

22
Q

What is a compound formulae?

A

It tells you which elements the compound is made from and how may atoms of each element there are. It has a chemical bond.

Test Revision (21 decks)

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