6.5A Quiz

Which of the following is the best description of an element?

• A substance that cannot be broken down into simpler substances.

• A naturally occurring mineral made of more than one substances.

• A small particle made with a specific chemical composition.

• A collection of atoms that have different abilities when joined together.

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112.18.a.1.B.i

Provided is a list of five different substances. How many of these substances are elements?

• 2

• 3

• 4

• 5

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NGSS.MS-PS1-1

The chart lists some substances and their symbols.

How many of these substances are an example of an element?

• 1

• 2

• 3

• 4

How are elements and compounds different?

• A compound is represented by a chemical formula, and elements are represented by a chemical symbol.

• Compounds are represented by chemical symbols fo one letter, and elements are represented by symbols of two letters.

• Elements are pure substances, and compounds are not.

• Elements are always larger unit of matter, and compounds are smaller.

How many elements are in the compound of Fe₂O₃?

• 0

• 1

• 2

• 3

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NGSS.MS-PS1-1

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is -

• a gas at room temperature.

• made of two different elements.

• given off by green plants.

• useful to human beings.

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NGSS.MS-PS1-1

A section of the Periodic Table of Elements is provided. What is the chemical symbol for magnesium?

• 12

• Mg

• Magnesium

• 24.31

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NGSS.MS-PS1-1

Compounds are different than elements because compounds are -

• combinations of two or more elements

• not able to be broken down into parts

• made from the same type of atoms

• a pure substance; elements are not

The smallest particle of any particular type of matter is known by which of the following terms?

• Element

• Chemical

• Atom

• Compound

Which of the following is a compound?

• Water

• Oxygen

• Chlorine

• Aluminum

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NGSS.MS-PS1-1