Group 1 Elements

Group 1 Elements

Assessment

Flashcard

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What are Group 1 elements?

Back

Group 1 elements, also known as alkali metals, include lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). They are characterized by having one valence electron.

2.

FLASHCARD QUESTION

Front

What is the general trend in reactivity of Group 1 elements?

Back

Reactivity increases down the group. For example, cesium is more reactive than lithium.

3.

FLASHCARD QUESTION

Front

What happens when Group 1 elements react with water?

Back

Group 1 elements react with water to produce hydrogen gas and an alkaline solution (metal hydroxide).

4.

FLASHCARD QUESTION

Front

What gas is produced when Group 1 elements react with water?

Back

Hydrogen gas is produced.

5.

FLASHCARD QUESTION

Front

What type of ion do Group 1 elements form?

Back

Group 1 elements form 1+ ions.

6.

FLASHCARD QUESTION

Front

What is the melting point trend in Group 1 elements?

Back

The melting point decreases as you move down the group.

7.

FLASHCARD QUESTION

Front

How many valence electrons do Group 1 elements have?

Back

Group 1 elements have one valence electron.

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