Counting Atoms

Counting Atoms

Assessment

Flashcard

Chemistry

8th - 9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the chemical formula for water?

Back

H₂O

2.

FLASHCARD QUESTION

Front

How many atoms of Hydrogen are in H₂O?

Back

2

3.

FLASHCARD QUESTION

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

4.

FLASHCARD QUESTION

Front

Which of the following is a compound: Co, O₂, C, CO₂?

Back

CO₂

5.

FLASHCARD QUESTION

Front

How many atoms are present if there is no subscript following the element symbol?

Back

1

6.

FLASHCARD QUESTION

Front

How many Oxygen atoms are in H₂O?

Back

1

7.

FLASHCARD QUESTION

Front

What does the subscript in a chemical formula indicate?

Back

The number of atoms of the element in the molecule.

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