Atoms, Molecules, Compounds

Atoms, Molecules, Compounds

Assessment

Flashcard

Science

8th Grade

Hard

NGSS
MS-PS1-1, HS-PS1-1, MS-PS1-5

+1

Standards-aligned

Created by

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element. It consists of a nucleus made of protons and neutrons, surrounded by electrons.

Tags

NGSS.MS-PS1-1

2.

FLASHCARD QUESTION

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together. Molecules can consist of the same or different elements.

Tags

NGSS.MS-PS1-1

3.

FLASHCARD QUESTION

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements chemically bond together in fixed proportions.

Tags

NGSS.MS-PS1-1

4.

FLASHCARD QUESTION

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals. Examples include boron and antimony.

5.

FLASHCARD QUESTION

Front

Is Sodium (Na) an element or a compound?

Back

Sodium (Na) is an element.

6.

FLASHCARD QUESTION

Front

What is the difference between a molecule and a compound?

Back

All compounds are molecules, but not all molecules are compounds. A molecule can consist of the same type of atoms, while a compound consists of different types of atoms.

Tags

NGSS.MS-PS1-1

7.

FLASHCARD QUESTION

Front

What is the chemical symbol for Hydrogen?

Back

The chemical symbol for Hydrogen is H.

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