How To Split an Atom

Question 1

The ancient Greek who first spoke about the atom was?

Answer 1

Democritus

Question 2

A chemical that is made up of only one type of atom is known as a ?

Answer 2

Element

Question 3

groups of atoms join together to form a ?

Answer 3

molecule

Question 4

How many element are found naturally in the universe?

Answer 4

92

Question 5

Give the chemical symbol for the element Hydrogen

Answer 5

H

Question 6

Give the chemical symbol for the elemnet Sodium

Answer 6

Na

Question 7

Give the chemical symbol for the element gold?

Answer 7

Au

Question 8

Give the chemical symbol for the element Silver

Answer 8

Ag

Question 9

Give the chemical symbol for the element chlorine

Answer 9

Cl

Question 10

Give the chemical symbol for the element potassium

Answer 10

K

Question 11

Atom number 96 is named after a marie curie, name this atom

Answer 11

Curium

Question 12

Atom number 98 was named after a state in the USA. Name this atom?

Answer 12

Californium

Question 13

Atom number 99 was named after a famous scientist. name this atom

Answer 13

Einsteinium

Question 14

Oxygen is normally a gas. But can it turn into a liquid if it gets very cold?

Answer 14

yes

Question 15

the element chlorine is normally found in which physical state?

Answer 15

Gas

Question 16

Chlorine is smelly. What is the colour of chlorine gas?

Answer 16

Green

Question 17

Name this king of ancient Greek and Roman mythology who was known for his foolishness and greed and who turned everything he touched to gold?

Answer 17

King Midas

Question 18

Metals are usually in their solid stae. Can you name a metal that is in a liquid state also known as a Runny Metal?

Answer 18

Mercury

Question 19

Is the element mercury poisonous?

Answer 19

Yes

Question 20

What is the chemical composition of water

Answer 20

Two atoms of hydrogen join to one atom of oxygen to give us water

Question 21

An atom is made up of protons, neutrons and electrons. The lightest among the three is?

Answer 21

electrons. They are 1800 times lighter than the neutrons and protons

Question 22

The elctrons zoom around the nucleus in invisible tracts known as?

Answer 22

orbits

Question 23

do different TYPES of atoms have different number of protons, neutrons and electrons?

Answer 23

yes

Question 24

What makes an atom heavier?

Answer 24

The more the number of protns and neutrons the heavier is the atom

Question 27

An atom is made of a central nucleus and orbiting electrons. This model of the atom was first described by a scientist named ?

Answer 27

Niels Bohr

Question 28

Name the force that holds the electrons in orbit?

Answer 28

Electromagnetic force

Question 29

the force that holds the electrons in orbit aka electromagnetic force. is this a weak force or a strong force?

Answer 29

weak force. That is why electrons can jump and also escape from the nucleus

Question 30

when a lot of electrons are moving in one direction from one place to another this is known as?

Answer 30

Electricity

Question 31

# he was a clumsy man who often broke his lab equipment Whos discovered the electron ?

Answer 31

J J Thomson

Question 32

To split open the atom we need to break up which part of the atom

Answer 32

we need to break open the nucleus

Question 33

Name the man who discovered Uranium

Answer 33

Martin Klaproth

Question 34

When an atom breaks up and releases small particles and energy this phenomenon is known as ?

Answer 34

Radioactivity

Question 35

Who discovered radioactivity?

Answer 35

Henri Becquerel