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MO Atoms and Elements Checkpoint

Last updated over 1 year ago

10 questions

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Question 2

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Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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Question 8

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Question 9

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Question 10

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What does the periodic table of elements classify (or show)?

Chemical Reactions

Molecules

Chemical Elements

Elements with similar chemical properties are in the same ...?

Period

Group

Row

Which element is represented by the symbol 'H' on the periodic table?

Hydrogen

Halcium

Hydrangea

What is the smallest unit of an element?

Element

Atom

Compound

What unique number identifies an element on the periodic table?

Proton 

Atomic number

Atomic weight

What is the center of an atom called?

Electron

Nucleus

Neutron

Which part of an atom is positively charged (+)?

Proton

Nucleus

Neutron

What is the charge of a neutron?

Negative(-)

Positive (+)

Neutral (no charge)

What part of an atom is negatively charged (-)?

Electron

Proton

Nucleus

All elements are made up of ONLY one type of atom.

True

False