Chemistry Exam

Chemistry Exam

Assessment

Flashcard

Science

7th - 8th Grade

Hard

Created by

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15 questions

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1.

FLASHCARD QUESTION

Front

What type of chemical reaction is represented by the equation Ca + MgCl2 --> CaCl2 + Mg?

Back

Single Replacement: A reaction where one element replaces another in a compound.

2.

FLASHCARD QUESTION

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond that occurs between a metal and a nonmetal, where electrons are transferred from one atom to another.

3.

FLASHCARD QUESTION

Front

How many protons does an atom with atomic number 6 have?

Back

6 protons: The atomic number of an element is equal to the number of protons in its nucleus.

4.

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.

5.

FLASHCARD QUESTION

Front

What state of matter is characterized by having a definite volume but no definite shape?

Back

Liquid: Liquids take the shape of their container but maintain a constant volume.

6.

FLASHCARD QUESTION

Front

What is a compound?

Back

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

7.

FLASHCARD QUESTION

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

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