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MO Atoms and Elements Checkpoint

Last updated over 1 year ago

10 questions

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Question 1

1.

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

Chemical Reactions

Molecules

Chemical Elements

Question 2

2.

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

Period

Group

Row

Question 3

3.

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

Hydrogen

Halcium

Hydrangea

Question 4

4.

What is the smallest unit of an element?

Element

Atom

Compound

Question 5

5.

What unique number identifies an element on the periodic table?

Proton 

Atomic number

Atomic weight

Question 6

6.

What is the center of an atom called?

Electron

Nucleus

Neutron

Question 7

7.

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

Proton

Nucleus

Neutron

Question 8

8.

What is the charge of a neutron?

Negative(-)

Positive (+)

Neutral (no charge)

Question 9

9.

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

Electron

Proton

Nucleus

Question 10

10.

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

True

False