Atoms And Elements

Question 0

What are elements?

Answer 0

The building block chemicals.

Question 1

What is everything made of?

Answer 1

Atoms

Question 2

Groups of atoms are…

Answer 2

…molecules.

Question 3

What shows all of the elements?

Answer 3

The periodic table.

Question 4

The periodic table is split into…

Answer 4

…metals and non- metals.

Question 5

Two Elements that occur in the ground are…

Answer 5

…gold and silver.

Question 6

Two elements that occur in rocks are…

Answer 6

…copper and tin.

Question 7

Two elements discovered using electricity or heat…

Answer 7

…Copper and tin and aluminium and sodium.

Question 8

All elements are represented by…

Answer 8

…symbols.

Question 9

What are compounds?

Answer 9

A chemical made from two or more elements joined together.

Question 10

Who made the first discovery about atoms?

Answer 10

Circa 400 bc

Democritas

Question 11

When was Coulomb’s law invented?

Answer 11

1780s.

Question 12

Who invented the atomic theory in 1803?

Answer 12

John Dalton.

Question 13

Who discovered the plum pudding atom model?

1896

Answer 13

J.J Thomson.

Question 14

What did Ernest Rutherford discover and when?

Answer 14

All of the mass of the atom is in a positively charged ball at the atoms centre. (1909)

Question 15

Who discovered the neutrally charged neutron?

Answer 15

Chadwick 1931

Question 16

Who invented the large hadron collider in 2013?

Answer 16

Peter Higgs.

Question 17

Learn the metals song!!!!

Answer 17

“Metals are shiny, metals conduct,
Metals are sonorous and malleable and ductile,
And metals have, And metals have, And metals have…
Generally high melting and boiling points!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!”

Question 18

H2S with a small two

Answer 18

Hydrogen sulfide.

Question 19

SO2 with a small two.

Answer 19

Sulfur dioxide.

Question 20

Boron symbol

Answer 20

B

Question 21

Antimony symbol

Answer 21

Sb

Question 22

Calcium symbol

Answer 22

Ca

Question 23

Mercury symbol

Answer 23

Hg

Question 24

Lead symbol

Answer 24

Pb

Question 25

Coal or carbon symbol

Answer 25

C

Question 26

Sodium symbol

Answer 26

Na

Question 27

Gold symbol

Answer 27

Au

Question 28

Xenon symbol

Answer 28

xe

Question 29

Iodine symbol

Answer 29

I

Question 30

When two elements are chemically joined together they become…

Answer 30

A compound

Question 31

Most elements are…

Answer 31

Metals

Question 32

Most non-metals have a ____ melting point.

Answer 32

Low

Question 33

How many atoms are in a Sulphur Dioxide molecule?

Answer 33

3

Question 34

Iron oxide is…

Answer 34

A compound of oxygen and iron.

Question 35

The smallest particle of a compound is a…

Answer 35

Molecule.

Question 36

The smallest particle of an element is an….

Answer 36

Atom.