Quiz von Xiyuan Li, erstellt am more than 1 year ago

Aim: What are organic compounds?

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	Erstellt von Xiyuan Li vor fast 4 Jahre

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UNIT 2 -- LIVING ENVIRONMENT

Frage 1 von 4

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8

Fülle die Lücken, um den Text zu vervollständigen.

Fill in the blanks below with the short form of the elements already given.
1) Carbon: 2) Oxygen: 3) Hydrogen: 4) Nitrogen:

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Frage 2 von 4

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8

Fülle die Lücken, um den Text zu vervollständigen.

Fill in the blanks with the complete form of the following short form elements.

1) C: _ 2) O:

3) H: 4) N: _

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Frage 3 von 4

3

Wähle von der Aufklappliste, um den Text zu vervollständigen.

Choose the correct meaning for the following words (choose the letter representing the correct answer before the word).

1) Element: ( ( A, B, C, D ) )
A. two or more atoms are combined and act as a single particle.
B. substances that make up matters.
C. force (energy) that combines elements chemically.
D. combination of different elements.

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Frage 4 von 4

3

Wähle von der Aufklappliste, um den Text zu vervollständigen.

Choose the correct meaning for the following words (choose the letter representing the correct answer before the word).

2) Molecule: ( ( A, B, C, D ) )
A. force (energy) that combines elements chemically.
B. substances that make up matters.
C. combination of different elements.
D. two or more atoms are combined and act as a single particle.

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