Properties and Uses of Elements

Properties and Uses of Elements

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Olivia Brooks

FREE Resource

The video introduces the chalcogens, elements in Group 16 of the periodic table, including oxygen, sulfur, selenium, tellurium, polonium, and livermorium. It discusses their electron configurations, oxidation states, and the transition from nonmetals to metalloids and metals within the group. The video covers the natural occurrence and extraction methods of these elements, their unique properties and allotropes, and their various industrial and practical applications, such as in oxidizing agents, sulfuric acid production, and solar cells.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following elements is characterized as a metalloid but is distinctly metallic in some ways?

Sulfur

Oxygen

Livermorium

Polonium

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary method for isolating oxygen from the atmosphere?

Mining

Fractional distillation of liquified air

Chemical reaction with hydrogen sulfide

Electrolysis

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element is primarily obtained from anode sludges of electrolytic copper purification?

Sulfur

Selenium

Polonium

Tellurium

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the most common allotrope of sulfur?

S8

S2

S4

S6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which allotrope of oxygen is found in trace amounts in the upper atmosphere and protects against ultraviolet radiation?

Diatomic oxygen

Ozone

Singlet oxygen

Triplet oxygen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a major industrial use of oxygen?

As a reducing agent

As a fertilizer

In the production of sulfuric acid

In the cutting and welding of metals

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element is used in the production of Xerox copies due to its narrow band gap?

Oxygen

Sulfur

Tellurium

Selenium

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