Chapter 5 Test

Chapter 5 Test

20 Qs

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Chapter 5 Test

Chapter 5 Test

Assessment

Quiz

others

Practice Problem

Hard

Created by

Elizabeth Taylor

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The person whose work led to the periodic table based on increasing atomic mass was

Moseley
Rutherford
Mendeleev
Cannizzaro

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Moseley's work led to the realization that elements should be arranged by

atomic mass
radioactivity
density
atomic number

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The periodic law states that the physical and chemical properties of elements are periodic functions of their

atomic number
atomic mass
atomic radii
atomic charges

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Krypton is the 4th element in group 18. What is the atomic number of xenon, the 5th element?

54
68
72
90

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A horizontal row of blocks in the periodic table is called a(n)

group
family
period
octet

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many elements are in a period in which only the s and p sublevels are filled?

2
8
18
32

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Because the first energy level contains only the 1s sublevel, the number of elements in this period is

1
2
4
8

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