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Chemistry Class notes > Test on the 19th of March > Flashcards

Test on the 19th of March Flashcards

1
Q

What are the two categories that Matter can be divided into?

A

Pure substances and mixtures

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2
Q

What can pure substances be divided into?

A

Elements and compounds

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3
Q

What can mixtures be divided into?

A

homogeneous (air) and heterogeneous (chocolate chip cookie XD)

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4
Q

Wut does the % composition of chemical compound specify?

A

The % mass of each of the different elements in a compound

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5
Q

Whut is Qualitative analysis?

A

What substances are present

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6
Q

Wut is quantitative analysis?

A

How much of something there is

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7
Q

What are the two different types of quantitative analysis?

A

Gravimetric (weighing) and volumetric (…duh)

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8
Q

What is a molecule?

A

A group of two or more atoms held together by chemical bonds

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9
Q

What are some examples of molecular elements?

A

water, carbon dioxide

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10
Q

How reactive is potassium?

A

VERY

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Chemistry Class notes (7 decks)

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