Final Review: Water

Final Review: Water

Assessment

Flashcard

Biology

9th Grade

Hard

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16 questions

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1.

FLASHCARD QUESTION

Front

What makes water a polar molecule?

Back

The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.

2.

FLASHCARD QUESTION

Front

What is a hydrogen bond?

Back

The bond between hydrogen in one water molecule and oxygen in a different water molecule.

3.

FLASHCARD QUESTION

Front

Which part of the water molecule has a slightly negative charge?

Back

Oxygen.

4.

FLASHCARD QUESTION

Front

What is the chemical composition of water?

Back

A molecular compound composed of 2 parts Hydrogen and 1 part Oxygen.

5.

FLASHCARD QUESTION

Front

When salt is dissolved in water, what role does water play?

Back

Water is the solvent.

6.

FLASHCARD QUESTION

Front

What is the significance of water's polarity?

Back

It allows water to form hydrogen bonds, which are crucial for many of its unique properties.

7.

FLASHCARD QUESTION

Front

What is the boiling point of water at sea level?

Back

100 degrees Celsius (212 degrees Fahrenheit).

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