Unit 2 - Atoms

Unit 2 - Atoms

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Rachel Monnin

FREE Resource

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25 questions

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1.

FLASHCARD QUESTION

Front

In a neutral atom, the number of protons is equal to the number of _____

Back

electrons

2.

FLASHCARD QUESTION

Front

Atomic particle with a negative charge

Back

electron

3.

FLASHCARD QUESTION

Front

An atom of an element with the SAME number of protons and a DIFFERENT number of neutrons

Back

isotope

4.

FLASHCARD QUESTION

Front

The atomic MASS of an atom with
15 protons
15 electrons
16 neutrons

Back

31
(add protons + neutrons)

5.

FLASHCARD QUESTION

Front

The atomic NUMBER of an atom with
15 protons
15 electrons
16 neutrons

Back

15
(# of protons determines

the atomic number)

6.

FLASHCARD QUESTION

Front

The atomic particles located on the outermost energy level that are involved in bonding between atoms

Back

valence electrons

7.

FLASHCARD QUESTION

Front

Part d

Media Image

Back

electron cloud

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