Chemistry A CP Unit 3 Practice Test

Chemistry A CP Unit 3 Practice Test

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

How many neutrons does an atom of the isotope Neon-22 have?

Back

12

2.

FLASHCARD QUESTION

Front

What is the mass number defined as?

Back

The number of protons and neutrons

3.

FLASHCARD QUESTION

Front

How many electrons can the d sublevel hold?

Back

10

4.

FLASHCARD QUESTION

Front

What describes a valence electron?

Back

Outermost from nucleus, Most energetic, Determines chemical properties and bonding, All of the above

5.

FLASHCARD QUESTION

Front

What is an atom?

Back

The basic unit of a chemical element.

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 is the difference between an isotope and an ion?

Back

Isotopes have the same number of protons but different numbers of neutrons; ions have a different number of electrons than protons.

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