Free Printable Applied Science Unit 1 Chemistry revision quiz1

Worksheets

Applied Science Unit 1 Chemistry revision quiz1

Total questions: 19

Worksheet time: 28mins

Name

Class

Date

How many neutrons does a sodium atom have? (Use the image to help you)

NaNO₃ represents

Sodium Hydroxide

Sodium Chloride

Sodium Nitride

Sodium Nitrate

What is the mole used for?

To measure the amount of grams in a substance

To measure the amount of atoms or molecules in a substance

To measure the amount of energy in a substance

To measure the amount of bonding in a substance

SiO₂ + 3C → SiC + 2CO
I need to add 8 moles of Carbon to the reaction. How many grams of Carbon should I weigh?

_{96 g}

0.67 g

2.67 g

48 g

The electron configuration for an atom of potassium is:

1s²2s²2p⁶3s²3p³

1s²2s²2p⁶3s²3p⁶

1s²2s²2p⁶3s²3p⁶4s¹

1s²2s²2p⁶3s²3p⁶4s²

When across a period, the atomic size decreases so the first IE ___________.

increases

decreases

constant

i am not sure

The ______________ yield is the maximum amount of product possible in a reaction. This determines the amount of product that should be produced in a perfect setting

Percent

actual

stoichiometry

theoretical

Which of the following is NOT a property of ionic compounds?

They conduct electricity when molten

They conduct electricity when in solution

They have high boiling points

They are insoluble in water

In chemical compounds, covalent bonds form when

the electronegativity difference between two atoms is very large.

electrons are completely transferred between two metals.

pairs of electrons are shared between two nonmetal atoms.

two nonmetal atoms are attracted to each other by opposite charges.

10.

Which is the correct description about van der Waals' forces?

They are the weakest of the intermolecular forces arising from instantaneous dipole - induced dipole interactions.

They are the strongest of the intermolecular forces arising from dipole - dipole interactions.

11.

Rank these in order of strength (strongest first):

van der Waals (London)

hydrogen bond

dipole-dipole attraction

dipole-dipole>hydrogen bond>vdW (London)

vdW>dipole-dipole>hydrogen bond>covalent bond

hydrogen bond>dipole-dipole>vdW

12.

What information do we look for on the periodic table if we want to examine intermolecular forces?

atomic mass

atomic number

electronegativity

ionization

13.

Atomic radius generally increases as we move __________.

down a group and from right to left across a period

up a group and from left to right across a period

down a group and from left to right across a period

up a group and from right to left across a period

14.

The sum of the oxidation numbers in Na₂CO₃ is equivalent to

-2

-1

15.

Magnesium + sulphuric acid --> ?

magnesium sulfate + water

magnesium sulfate + hydrogen

magnesium chloride + hydrogen

magnesium chloride + water

16.

As you move down the group, halogens' reactivity...

increases

decreases

doesn't change

shows no trend.

17.

Which of these is a transition metal?

18.

Elements such as Silicon, diamond and graphite. Compounds include SiO₂

simple covalent molecules

metallic

ionic

giant covalent

19.

What is the concentration of 2.5 moles of NaOH in 12.0 dm³ of solution?

0.21 mol dm^-3

30 mol dm^-3

4.8 mol dm^-3

20.8 mol dm^-3

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Applied Science Unit 1 Chemistry revision quiz1

Total questions: 19

Worksheet time: 28mins

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