Periodic Table

Periodic Table

Assessment

Flashcard

Chemistry

9th 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 are halogens?

Back

Halogens are elements found in Group 17 (VIIA) of the periodic table, known for having seven valence electrons and being highly reactive.

2.

FLASHCARD QUESTION

Front

What property do all halogens share?

Back

Each halogen has seven valence electrons.

3.

FLASHCARD QUESTION

Front

What is a metalloid?

Back

Metalloids are elements that have properties of both metals and nonmetals, often being semiconductors of electricity.

4.

FLASHCARD QUESTION

Front

Which elements are considered metalloids?

Back

Common metalloids include boron, silicon, germanium, arsenic, antimony, and tellurium.

5.

FLASHCARD QUESTION

Front

What is the reactivity of alkali metals?

Back

Alkali metals are very reactive, especially with water, and they tend to lose one electron to form positive ions.

6.

FLASHCARD QUESTION

Front

What defines a nonmetal?

Back

Nonmetals are elements that typically do not conduct electricity, are brittle in solid form, and have high ionization energies.

7.

FLASHCARD QUESTION

Front

What is the position of noble gases in the periodic table?

Back

Noble gases are found in Group 18 (VIIIA) of the periodic table and are known for being inert and not readily forming bonds.

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