Metals, Mixtures, Elements, Compounds and Periodic Table

Question 1

Select the symbol of the element that is a metal

Accepted Answer

K

Question 2

Choose the BEST answer to complete this sentence: An element is ....

Accepted Answer

a pure substance that contains only 1 type of atom

Question 3

Which of these properties are characteristic of metals?

Accepted Answer

All of these

Question 4

A mixture that is clear, does not settle and cannot be filtered is a

Accepted Answer

solution

Question 5

Choose the BEST answer to complete this sentence: A molecule is .....

Accepted Answer

the smallest unit of a substance that is stable and complete

Question 6

A mixture that contains 2 liquid layers that separate on standing is

Accepted Answer

an emulsion

Question 7

Which of these properties are characteristic of non-metals?

Accepted Answer

None of these

Question 8

Select the formula for an elemental molecule

Accepted Answer

H2

Question 9

Which statement best describes the properties of a compound?

Accepted Answer

They are very different to the properties of the elements

Question 10

Select the symbol of the element that is a non-metal

Accepted Answer

N

Question 11

Whole blood contains the following type(s) of mixtures:

Accepted Answer

ALL of these

Question 12

Select the formula for a compound molecule

Accepted Answer

NO2

Question 13

A mixture that is cloudy with solid settling to the bottom over time is a

Accepted Answer

suspension

Question 14

Choose the best answer to complete this sentence: A compound is ....

Accepted Answer

a pure substance with 2 or more elements in fixed proportion

Questions 14