7 - 1st semester final

7 - 1st semester final

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the term that tells how many protons an element has?

Back

Atomic number

2.

FLASHCARD QUESTION

Front

Which type of change indicates that a chemical reaction occurred?

Back

Color change

3.

FLASHCARD QUESTION

Front

What happens to energy in an EXOTHERMIC reaction?

Back

Energy is released into the surroundings.

4.

FLASHCARD QUESTION

Front

Where would you be able to find elements that are more similar to one another in the periodic table?

Back

In the same group or column of the periodic table.

5.

FLASHCARD QUESTION

Front

How many carbon dioxide molecules are in 4CO₂?

Back

4

6.

FLASHCARD QUESTION

Front

What is the definition of an element?

Back

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

7.

FLASHCARD QUESTION

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

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