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Atoms and Electrons

Authored by Aidan Haig

Biology

5th Grade

Used 2+ times

Atoms and Electrons
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the smallest unit of an element that retains the properties of that element?

cell

atom

nucleus

molecule

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many electrons can the first energy level of an atom hold?

4

6

8

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of protons and neutrons in an atom called?

Mass number

Atomic number

Element number

Nuclear number

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which subatomic particle is the atomic number of an element determined?

Neutron

Electron

Nucleus

Proton

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the electron configuration of carbon (C)?

2, 4

2, 6

2, 2, 2

1s2 2s3 2p3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the atomic number of oxygen (O)?

6

8

12

10

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which group of elements in the periodic table is known as the noble gases?

Group 2A

Group 7A

Group 18 or Group 8A

Group 1A

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