Chapter 5 Periodic Table

Chapter 5 Periodic Table

Assessment

Flashcard

Science

6th - 8th 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 second most abundant element found in the earth's atmosphere?

Back

Oxygen is the second most abundant element in the earth's atmosphere, after nitrogen.

2.

FLASHCARD QUESTION

Front

What element category is mostly gases, brittle, and poor conductors of heat and electricity?

Back

Nonmetals are mostly gases, brittle, and poor conductors of heat and electricity.

3.

FLASHCARD QUESTION

Front

What is the simplest element?

Back

Hydrogen is the simplest element, consisting of only one proton and one electron.

4.

FLASHCARD QUESTION

Front

What family (color group) is the MOST reactive?

Back

The dark blue family (alkali metals) is the most reactive group on the periodic table.

5.

FLASHCARD QUESTION

Front

What does the number at the top of each square on the periodic table represent?

Back

The number at the top of each square on the periodic table is the atomic number, which indicates the number of protons in an atom.

6.

FLASHCARD QUESTION

Front

What is the atomic mass?

Back

The atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).

7.

FLASHCARD QUESTION

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals, and they are typically semiconductors.

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