Atom recap

Atom recap

9th - 10th Grade

10 Qs

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Atom recap

Atom recap

Assessment

Quiz

Chemistry

9th - 10th Grade

Practice Problem

Medium

Created by

Charlotte Fretwell

Used 5+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the chemical symbol for Sodium?

Na

S

So

H

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Below is the formula for a Chlorine molecule. How many atoms of chlorine are there?

Cl2

1

2

0

3

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which 2 elements make up NaCl?

Nitrogen & Carbon

Sodium & Chlorine

Sodium & Carbon

Nitrogen & Chlorine

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

How many atoms are there altogether in the below sulphur dioxide molecule?

SO3

2

3

4

1

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Nitrogen and hydrogen react together to form ammonia. Give the word equation for the reaction.

nitrogen + hydrogen → ammonia

nitrogen + oxygen → ammonia

ammonia + hydrogen → Nitrogen

oxygen + carbon → Carbon Dioxide

6.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

Potassium hydroxide reacts with sulfuric acid. Potassium sulfate and water are formed in the reaction.

What are the reactants? Click 2 answers

Sulphuric Acid

Potassium hydroxide

Water

Potassium sulphate

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

The total mass of the products is equal to the total mass of the reactants.

This is the definition for which key term in chemistry?

Decomposition

Molecules

Conservation of Mass

Transpiration

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