Periodic Table

Periodic Table

Assessment

Flashcard

Chemistry

8th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Periodic Table?

Back

A tabular arrangement of chemical elements, organized by increasing atomic number, electron configuration, and recurring chemical properties.

2.

FLASHCARD QUESTION

Front

What do the horizontal rows on the periodic table represent?

Back

The number of electron shells (energy levels) in the atoms of the elements.

3.

FLASHCARD QUESTION

Front

What do the vertical columns on the periodic table indicate?

Back

The number of valence electrons (electrons in the outermost shell) of the elements.

4.

FLASHCARD QUESTION

Front

How do you calculate the number of neutrons in an atom?

Back

Number of Neutrons = Mass Number - Atomic Number.

5.

FLASHCARD QUESTION

Front

Where are the metalloids located on the periodic table?

Back

They are found along the stair-step line that divides metals and nonmetals.

6.

FLASHCARD QUESTION

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

7.

FLASHCARD QUESTION

Front

What is the atomic number of an element?

Back

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

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