Quiz por Xiyuan Li, criado more than 1 year ago

Aim: What are organic compounds?

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	Criado por Xiyuan Li quase 4 anos atrás

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UNIT 2 -- LIVING ENVIRONMENT

Questão 1 de 4

❌ ^-

8

Preencha os espaços em branco para completar o texto.

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

Explicação

Questão 2 de 4

❌ ^-

8

Preencha os espaços em branco para completar o texto.

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

1) C: _ 2) O:

3) H: 4) N: _

Explicação

Questão 3 de 4

3

Selecione da lista do Menu para completar o texto.

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.

Explicação

Questão 4 de 4

3

Selecione da lista do Menu para completar o texto.

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.

Explicação

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