Compounds & Counting Atoms Review

Compounds & Counting Atoms Review

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

2.

FLASHCARD QUESTION

Front

How many total atoms are in the compound H₂SO₄?

Back

7

3.

FLASHCARD QUESTION

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

4.

FLASHCARD QUESTION

Front

Why is carbon dioxide considered a compound?

Back

Because carbon dioxide is made of two different elements: carbon and oxygen.

5.

FLASHCARD QUESTION

Front

Which of the following is not a compound: HCl, Cl, NaCl, CO₂?

Back

Cl is not a compound; it is an element.

6.

FLASHCARD QUESTION

Front

What is the chemical formula for water?

Back

H₂O, which consists of 2 hydrogen atoms and 1 oxygen atom.

7.

FLASHCARD QUESTION

Front

What is the difference between an element and a compound?

Back

An element is a single type of atom, while a compound consists of two or more different types of atoms bonded together.

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