Chemistry Quiz

Chemistry Quiz

8th Grade

15 Qs

quiz-placeholder

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Chemistry Quiz

Chemistry Quiz

Assessment

Quiz

Mathematics

8th Grade

Hard

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What will ion will be formed by the phosphorus atom shown below when it has a stable set of valence electrons?

P^3+

P^5+

P^3-

P^5-

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many valence electrons does phosphorus have?

2

3

5

8

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the ionic charge of phosphorus when it becomes an ion?

2+

3+

1-

3-

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In an ionic bond, what happens to electrons between a metal atom and a nonmetal atom?

A metal atom gains electrons and a nonmetal atom loses electrons.

Both metal and nonmetal atoms lose electrons.

Both metal and nonmetal atoms gain electrons.

A metal atom loses electrons and a nonmetal atom gains electrons.

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What should be done next to complete the ionic bond between beryllium and chlorine in the diagram?

Add another chlorine atom.

Add another Beryllium atom

Nothing it is complete

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many valence electrons does each zinc atom lose in the formation of zinc phosphide, Zn₃P₂?

1

2

3

6

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the chemical formula for rubidium nitride, given that rubidium is in the same chemical family as lithium?

Rb₂N

RbN

Rb₃N

RbN₃

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