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Basic Concepts of Atoms pre-assessment 12

Authored by Reem Mohamad

Science

11th Grade

Used 1+ times

Basic Concepts of Atoms pre-assessment 12
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the overall charge of a neutral atom?

Positive

Negative

Zero

It depends on the material

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The type of material (conductor or insulator) depends mainly on:

The number of protons in the nucleus

The arrangement of neutrons

The electrons in the outermost shell

The size of the atom

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do we call the outermost shell of an atom?

The energy core

The nucleus

The valence shell

The conduction band

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When an atom gains an extra electron, it becomes:

Positively charged

Negatively charged

Neutral

Unstable

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes conductors?

Materials in which electrons cannot move freely

Materials that have zero electrical resistance

Materials in which electrons move easily and freely

Materials that are always neutral

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