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Biblioteka

Ch. 2 Review

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Posljednje ažuriranje over 3 years ago
7
Obavezno
4
Obavezno
4
Obavezno
4
Obavezno
3
Obavezno
1
Obavezno
2
Obavezno
2
Pitanje 1
1.
Drugi mogući odgovor:
element
4
molecule
compound
3
2
Pitanje 2
2.

Match the phase to the definition

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Gas

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Substance has a fixed volume but not shape

Solid

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Substance has no fixed shape or volume

Aqueous

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Substance has a fixed shape and volume

Liquid

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Substance dissolved in water

Pitanje 3
3.

Match the group number with it's name. This is based on the periodic table.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

2

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Alkali metals

7

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Alkali earth metals

8

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Halogen

1

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Nobel gas

Pitanje 4
4.
Drugi mogući odgovor:
down
group
period
across
Pitanje 5
5.

When elements are changed between different compounds (such as in the copper cycle) which of the following true?

Pitanje 6
6.

Put the following elements in order of reactivity (lowest to highest)

  1. K

  2. Na

  3. Rb

  4. Li

Pitanje 7
7.

Put the following in order of atomic mass. (least to greatest)

  1. Ca

  2. Al

  3. I

  4. Mg