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Topic 7: Chemistry Flashcards

(10 cards)

1
Q

What is an Alchemist?

A

An olden day chemist that tried to make metal into gold

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2
Q

What an Investigation?

A

An activity to find information

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3
Q

What is an Observation?

A

Something that you see

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4
Q

What is a Scientist?

A

Someone who works to make new discoveries in science

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5
Q

What is an Element?

A

Pure substance that has only one type of cell

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6
Q

What are Atoms?

A

A very small particle that makes up everything except energy

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7
Q

What is an Atomic Number?

A

The number of protons in the nucleus of an atom

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8
Q

What is a Chemical Symbol?

A

The standard way scientists can write an element

Eg O = Oxygen

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9
Q

What is a Compound?

A

A substance made of two or more different atoms that are tightly bonded

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10
Q

What is a Mixture?

A

Two or more different atoms that aren’t tightly bonded

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