Grade 7 Chemistry – March Test Review_Quizizz

Grade 7 Chemistry – March Test Review_Quizizz

7th Grade

20 Qs

quiz-placeholder

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Grade 7 Chemistry – March Test Review_Quizizz

Grade 7 Chemistry – March Test Review_Quizizz

Assessment

Quiz

Chemistry

7th Grade

Hard

Created by

Bongiwe Mavundla

Used 1+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a compound (化合物)?

A single element (元素)

A substance made of two or more different elements (元素)

A mixture of elements (元素)

A gas (气体) only

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following is a molecule (分子)?

Oxygen (氧气) (O₂)

Iron (铁) (Fe)

Gold (黄金) (Au)

All of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the “-ide” suffix indicate in a compound name (化合物名称)?

It contains oxygen (氧)

It is a non-metal (非金属)

It is a compound (化合物) of a metal (金属) and non-metal (非金属)

It is a gas (气体)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a compound (化合物)?

Helium (氦) (He)

Water (水) (H₂O)

Carbon (碳) (C)

Silver (银) (Ag)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the fixed ratio in water (水) (H₂O)?

1 hydrogen (氢) and 2 oxygen (氧)

2 hydrogen (氢) and 1 oxygen (氧)

2 hydrogen (氢) and 2 oxygen (氧)

1 hydrogen (氢) and 1 oxygen (氧)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do compounds (化合物) have different properties than their elements (元素)?

Because they are made of the same type of atoms (原子)

Because their particles (粒子) are different

Because they are liquids (液体)

Because they are gases (气体)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you name a non-metal compound (非金属化合物)?

By using prefixes to denote the number of atoms

By using Roman numerals

By using suffixes to denote the type of bond

By using the metal's oxidation state

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