Periodic Table Elements and Ions

Periodic Table Elements and Ions

Assessment

Flashcard

Chemistry

8th - 10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

How did Mendeleev arrange the elements?

Back

Mendeleev arranged the elements by atomic mass.

2.

FLASHCARD QUESTION

Front

How many valence electrons does phosphorus have?

Back

Phosphorus has 5 valence electrons.

3.

FLASHCARD QUESTION

Front

What are valence electrons?

Back

Valence electrons are the electrons farthest away from the nucleus.

4.

FLASHCARD QUESTION

Front

What is a vertical column in the periodic table called?

Back

A vertical column is called a group.

5.

FLASHCARD QUESTION

Front

What are cations?

Back

Cations are positively charged ions.

6.

FLASHCARD QUESTION

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom.

7.

FLASHCARD QUESTION

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number and properties.

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