Sarah HERED
Quiz by , created more than 1 year ago

Science Mini Test 2 Separating mixtures, Difference between mixtures and compound, Periodic Table

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Sarah HERED
Created by Sarah HERED about 9 years ago
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Atoms and Molecules

Atoms and Molecules

Question 1 of 20

1

The periodic table is made out of compounds.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 20

1

An element is made out of:

Select one of the following:

  • One type of atom

  • More than one type of atom

Explanation

Question 3 of 20

1

An element and a compound is made out of more than one type of atom

Select one of the following:

  • True
  • False

Explanation

Question 4 of 20

1

Air is a compound

Select one of the following:

  • True
  • False

Explanation

Question 5 of 20

1

The periodic table has

Select one or more of the following:

  • more non-metals, they are on the right side

  • more metals, they are on the left side

  • more non-metals, they are on the left side

  • more metals, they are on the right side

Explanation

Question 6 of 20

1

Carbon dioxide:

Select one or more of the following:

  • CO2

  • C2O

Explanation

Question 7 of 20

1

H20:

Select one or more of the following:

  • water

  • hydrogen

Explanation

Question 8 of 20

1

MgO

Select one or more of the following:

  • Magnesium oxygen

  • Magnesium oxide

Explanation

Question 9 of 20

1

A molecule is made out of compounds

Select one of the following:

  • True
  • False

Explanation

Question 10 of 20

1

An atom is

Select one or more of the following:

  • the smallest particle of any substance

  • the smallest particle of any atom

Explanation

Question 11 of 20

1

In a compound, you can vary the amount of each substance

Select one of the following:

  • True
  • False

Explanation

Question 12 of 20

1

A compound:

Select one or more of the following:

  • Elements are joined and a separation is easy

  • Elements are not joined and a separation is easy

  • Elements are not joined and a separation is only possible by a chemical reaction

  • Elements are joined and separation is only possible by a chemical reaction

Explanation

Question 13 of 20

1

In a compound, the property is different from the elements it contains

Select one of the following:

  • True
  • False

Explanation

Question 14 of 20

1

In a mixture, you can vary the amount of each substance, the substances are joined and the substances are "easy" to separate.

Select one of the following:

  • True
  • False

Explanation

Question 15 of 20

1

Choose one answer here that is not a separation method.

Select one of the following:

  • Distillation

  • Density

  • Filtration

  • Evaporation

  • Chromatography

  • Extraction

Explanation

Question 16 of 20

1

In distillation and extraction, the difference is the ability to dissolve.

Select one of the following:

  • True
  • False

Explanation

Question 17 of 20

1

The difference in particle size

Select one or more of the following:

  • Distillation

  • Density

  • Filtration

  • Evaporation

Explanation

Question 18 of 20

1

Difference in boiling point

Select one or more of the following:

  • Distillation

  • Filtration

  • Evaporation

Explanation

Question 19 of 20

1

Chromatography:

Select one of the following:

  • difference in boiling point

  • difference in the ability to dissolve

Explanation

Question 20 of 20

1

How many atoms fit on the point of a needle?

Select one or more of the following:

  • A billion

  • A hundred

  • Ten

  • A million

Explanation

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