IPS Chapter 15 Flashcard

IPS Chapter 15 Flashcard

Assessment

Flashcard

Science

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

Define atomic mass

Back

Average mass of all isotopes of an atom.

2.

FLASHCARD QUESTION

Front

Noble gases are called the ____________ gases.

Back

inert.

3.

FLASHCARD QUESTION

Front

On a periodic table, the rows are called _________________

Back

periods.

4.

FLASHCARD QUESTION

Front

How many periods are there in the periodic table?

Back

7.

5.

FLASHCARD QUESTION

Front

A vertical column is called...

Back

group.

6.

FLASHCARD QUESTION

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

7.

FLASHCARD QUESTION

Front

What are isotopes?

Back

Atoms of the same element with different numbers of neutrons.

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