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The Water Molecule and Dissolving

The Water Molecule and Dissolving

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 water molecule made of?

Back

A water molecule is made of two hydrogen atoms and one oxygen atom (H2O).

2.

FLASHCARD QUESTION

Front

What is the charge of a water molecule?

Back

A water molecule has a zero net charge because it has an equal number of electrons and protons.

3.

FLASHCARD QUESTION

Front

What does it mean for a substance to be soluble?

Back

A substance is soluble if it can be dissolved in a solvent, such as water.

4.

FLASHCARD QUESTION

Front

What is the term for the substance that is dissolved in a solution?

Back

The substance that is dissolved in a solution is called the solute.

5.

FLASHCARD QUESTION

Front

What is the term for the liquid in which a solute is dissolved?

Back

The liquid in which a solute is dissolved is called the solvent.

6.

FLASHCARD QUESTION

Front

Why is water considered a polar molecule?

Back

Water is considered a polar molecule because the oxygen atom attracts more than its 'fair share' of electrons, creating a partial negative charge near the oxygen and a partial positive charge near the hydrogen atoms.

7.

FLASHCARD QUESTION

Front

What is evaporation?

Back

Evaporation is a method of separating solutions where the solvent is turned into vapor, leaving the solute behind.

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