The Periodic Table, Atoms and Mixtures

Question 1

What is the mass of a proton?

Accepted Answer

+1

Question 2

How can you separate an insoluble solid from a solvent?

Accepted Answer

filtration

Question 3

How can you separate an soluble solid from a solvent?

Accepted Answer

crystallisation

Question 4

What periodic number is Nobel gases?

Accepted Answer

8

Question 5

Which of these electronic structures belong to a Nobel gas?

Accepted Answer

2

Question 6

What is the first step in purifying water?

Accepted Answer

sedimentation

Question 7

The rows of the periodic table are called periods

Accepted Answer

True

Question 8

True / False: when a substance is changing state the temperature stays the same

Accepted Answer

True

Question 9

How would you separate a sugar solution?

Accepted Answer

distillation

Question 10

What is the mass of a neutron?

Accepted Answer

+1

Question 11

How would you separate compounds in crude oil?

Accepted Answer

fractional distillation

Question 12

What is the charge of an electron?

Accepted Answer

-1

Question 13

Chromatography is used to separate what?

Accepted Answer

dye and solvent

Question 14

What is the charge of a proton?

Accepted Answer

+1

Question 15

What term is given to the substance left after filtration?

Accepted Answer

filtrate

Question 16

Elements in the periodic table are arranged by...

Accepted Answer

Atomic number

Question 17

an element has the electronic structure 2,8,4. Which group is it in?

Accepted Answer

Group 4

Question 18

How can you separate a solvent from a soluble solid?

Accepted Answer

distillation

Question 19

What element symbol is potassium?

Accepted Answer

K

Question 20

You will find metals on the far right side of the periodic table

Accepted Answer

False

Question 21

What do the elements in a group have the same number of?

Accepted Answer

Electrons on outer shell

Question 22

Which scientist came up with the concept of the periodic table?

Accepted Answer

Dmitiri Mendeleev

Question 23

What is the charge of a neutron?

Accepted Answer

0

Question 24

How do you calculate the rf value of a chromatograph?

Accepted Answer

compound distance / solvent distance

Question 25

What does H mean in the periodic table?

Accepted Answer

Hydrogen

Question 26

how many periodic groups are there?

Accepted Answer

8

Question 27

What is the mass of an electron?

Accepted Answer

1/2000

Question 28

The Columns of the periodic table are called groups

Accepted Answer

True

Question 29

Roughly how many know elements are in the periodic table?

Accepted Answer

100

Question 30

What can be found in the nucleus of an atom?

Accepted Answer

neutrons and protons

The Periodic Table, Atoms and Mixtures

Questions 30

The Periodic Table, Atoms and Mixtures

Questions 30