Element vs Compound

Element vs Compound

Assessment

Flashcard

Science

6th - 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 an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

2.

FLASHCARD QUESTION

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together. It can be broken down into simpler substances.

3.

FLASHCARD QUESTION

Front

What is the chemical formula for chalk?

Back

The chemical formula for chalk is CaCO3.

4.

FLASHCARD QUESTION

Front

How many elements are in the chemical formula CaCO3?

Back

There are three elements in the chemical formula CaCO3: Calcium (Ca), Carbon (C), and Oxygen (O).

5.

FLASHCARD QUESTION

Front

How many oxygen atoms are in the compound CaCO3?

Back

There are three oxygen atoms in the compound CaCO3.

6.

FLASHCARD QUESTION

Front

What is the chemical formula for oxygen gas?

Back

The chemical formula for oxygen gas is O2.

7.

FLASHCARD QUESTION

Front

Is O2 an element or a compound?

Back

O2 is an element because it consists of only one type of atom (oxygen).

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