Ce Unit 2 Practice Test

Ce Unit 2 Practice Test

Assessment

Flashcard

Chemistry, Science

8th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the group number for non-reactive elements on the periodic table?

Back

18

2.

FLASHCARD QUESTION

Front

What is the average atomic mass of silicon?

Back

28.09

3.

FLASHCARD QUESTION

Front

What happens to atomic numbers as you move from left to right on the periodic table?

Back

They increase.

4.

FLASHCARD QUESTION

Front

Which element is located in period 4 of the periodic table?

Back

Iron (Fe)

5.

FLASHCARD QUESTION

Front

What is the atomic mass of an element with 16 protons, 13 neutrons, and 16 electrons?

Back

29 amu

6.

FLASHCARD QUESTION

Front

Define atomic mass.

Back

The weighted average mass of an element's isotopes, measured in atomic mass units (amu).

7.

FLASHCARD QUESTION

Front

What is the significance of the atomic number?

Back

It represents the number of protons in an atom and determines the element's identity.

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