PS Midterm

PS Midterm

Assessment

Flashcard

Science

9th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is matter?

Back

Any substance that takes up space or has mass.

2.

FLASHCARD QUESTION

Front

What is a pure substance containing only one kind of atom?

Back

Element.

3.

FLASHCARD QUESTION

Front

What charge will an atom have if it gains two electrons?

Back

-2.

4.

FLASHCARD QUESTION

Front

What properties of water does soap change?

Back

All of these (adhesion, cohesion, surface tension).

5.

FLASHCARD QUESTION

Front

In a chemical equation, what do the coefficients indicate?

Back

The number of molecules of each reactant used and the number of molecules of each product made.

6.

FLASHCARD QUESTION

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

7.

FLASHCARD QUESTION

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

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