(Q2) Atomic Structure and Properties

A structure whose subunits occur in a constant ratio and are arranged in a repeating pattern.

• atom

• compound

• extended structure

• substance

Tags

NGSS.MS-PS1-1

What is the repeating subunit of this extended structure?

• potassium and fluorine

• carbon and oxygen

• nitrogen and potassium

• fluorine and hydrogen

Tags

NGSS.MS-PS1-1

What is the repeating subunit of this extended structure?

• KOH

Tags

NGSS.MS-PS1-1

Which example is NOT an extended structure?

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Which example is NOT an extended structure?

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Tags

NGSS.MS-PS1-1

Which statement is true?

• this is an extended structure since it has a repeating pattern

• this is an extended structure since it has more than one atom

• this is not an extended structure since there are holes in it

• this is not an extended structure since there is no pattern

Tags

NGSS.MS-PS1-1

Which example is a simple structure?

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Tags

NGSS.MS-PS1-1

Which type of elements have atoms that are packed close together?

• metals

• nonmetal solids

• nonmetal gasses

Tags

NGSS.MS-PS1-1

Which type of elements have atoms that held together but with weak attractions to each other?

• metals

• nonmetal solids

• nonmetal gasses

Metals and nonmetals have properties that are​​ ​ (a)  

• very similar.
• quite different.