Chemistry

Chemistry

Assessment

Flashcard

Biology

9th Grade

Hard

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21 questions

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1.

FLASHCARD QUESTION

Front

A substance with a pH of 8 is a: acid, base, neutral

Back

base

2.

FLASHCARD QUESTION

Front

Carbon has 4 valence electrons which means

Back

it wants to make 4 covalent bonds

3.

FLASHCARD QUESTION

Front

The type of bond formed when electrons are shared between atoms is a

Back

covalent bond

4.

FLASHCARD QUESTION

Front

The electrons in the outermost energy level are called

Back

valence

5.

FLASHCARD QUESTION

Front

This reaction is showing energy being _____________

Back

Released

6.

FLASHCARD QUESTION

Front

What is the job of an enzyme?

Back

Speed up reactions in the body

7.

FLASHCARD QUESTION

Front

Activation energy

Back

The energy needed to start a reaction

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