Atomic Counting

Atomic Counting

8th Grade

12 Qs

quiz-placeholder

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Atomic Counting

Atomic Counting

Assessment

Quiz

Science

8th Grade

Hard

Created by

M Somerton

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The top number on the periodic table is the ....

atomic mass

atomic number
element symbol
molecular weight

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The bottom number on the periodic table is ...

element symbol
molecular weight
atomic number

atomic mass

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of protons =

The number of protons is equal to the number of neutrons.

The number of protons is the mass of the element.

The number of protons can vary r

The atomic number of the element.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of electrons =

The number of electrons is the element's mass number.

The number of electrons is always equal to the number of neutrons

the element's atomic number.

can vary regardless of the atomic number.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of neutrons is worked out by ...

Atomic number + Atomic mass number
Atomic mass number - Neutron number
Atomic number x Atomic mass number
Atomic mass number - Atomic number

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The number of electrons in a magnesium atom is ...

10
12
8

24

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The number of protons in a magnesium atom is ...

10
12
8

24

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