Periodic Table Review

Periodic Table Review

Assessment

Flashcard

Chemistry

7th 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 atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

2.

FLASHCARD QUESTION

Front

Which group of metals is the most reactive?

Back

Group 1- Alkali metals are the most reactive metals.

3.

FLASHCARD QUESTION

Front

How many neutrons does an Oxygen atom have?

Back

An Oxygen atom has 8 neutrons.

4.

FLASHCARD QUESTION

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals, and they are located along the staircase line on the periodic table.

5.

FLASHCARD QUESTION

Front

Which group contains all non-metals that are extremely reactive?

Back

Group 17- Halogens contains all non-metals that are extremely reactive.

6.

FLASHCARD QUESTION

Front

What is the difference between metals and nonmetals?

Back

Metals are typically shiny, good conductors of heat and electricity, and malleable, while nonmetals are usually dull, poor conductors, and brittle.

7.

FLASHCARD QUESTION

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

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