Inside The Atom

Question 1

What is the max amount of electrons in the last shell?

Answer 1

Eight

Question 2

What is the max number of electrons in the fourth shell?

Answer 2

Thirty two

Question 3

What is the max number of electrons in the second shell?

Answer 3

Eight

Question 4

What is the max number electrons in the first shell?

Answer 4

Two

Question 5

What is max number of electrons in the third shell?

Answer 5

Eighteen

Question 6

What mass does a neutron have?

Answer 6

Neutrons have a mass of one

Question 7

What mass does an electron have?

Answer 7

Electrons have no mass

Question 8

Where is the proton particle located and what charge is it?

Answer 8

The proton is located in the nucleus and is positively charged

Question 9

Atoms are made up of what three particles?

Answer 9

Protons, neutrons and electrons

Question 10

What makes up an atom?

Answer 10

In the centre of an atom there are protons, neutrons and electrons

Question 11

All elements have a number called what?

Answer 11

An atomic number

Question 12

Where is the electron particle located and what charge is it?

Answer 12

The electron particle is located in the nucleus and is negatively charged

Question 13

What are isotopes?

Answer 13

Isotopes have the same number of protons but different number of neutrons

Question 14

Atom mass =?

Answer 14

The number of protons plus the number of electrons

Question 15

The number of protons in an atom is called the..?

Answer 15

Atomic number

Question 16

Where is the neutron particle located and what charge is it?

Answer 16

The neutron particle is located in the nucleus and is a neutrally charged

Question 17

How many atoms are in the element H2o

Answer 17

Two hydrogen, one oxygen

Question 18

How many atoms are in the element CO2?

Answer 18

One carbon, two oxygen

Question 19

How many atoms are in the element ZnCl2?

Answer 19

One zinc, two chlorine

Question 20

What is radioactivity?

Answer 20

Radioactivity is when one element changes to another

Question 21

Radioactivity decay comes from a neutron being turned into what subatomic particles?

Answer 21

Alpha and beta

Question 22

What is an alpha particle and how can it travel?

Answer 22

Alpha particles are made up of two protons and two neutrons.

Alpha particles cannot travel more than a few centimetres

Question 23

What is a gamma ray?

Answer 23

An electro-magnetic wave

Question 24

What is ionisation?

Answer 24

The more rapidly nuclear radiation is slowed down, the more damage it does to the atom it hits

Question 25

Which type of radioactivity causes the most ionisation? Which causes the least?

Answer 25

Alpha particles cause the most and gamma rays cause the least

Question 26

What is a half-life?

Answer 26

The length of time required for half of a substance of an element to decay to another

Question 27

What is alpha decay?

Answer 27

The nucleus splits into two parts and one part is lost. The nucleus that's left has it's atomic number and mass changed

Question 28

What is beta decay?

Answer 28

A neutron in an atom breaks down to produce a proton

Question 29

What is gamma decay?

Answer 29

The nucleus looses energy by emitting a gamma ray

Question 30

Explain which particles are strongest and which are weaker? | Also explain what they can break through

Answer 30

Gamma rays are the strongest and can penetrate aluminium. Beta particles are not as strong as gamma rays but can still penetrate paper. Alpha particles cannot penetrate paper

Question 31

What is an element?

Answer 31

An essential of characteristic part of something abstract

Question 32

How many groups and periods are on the periodic table?

Answer 32

There are eight groups and seven periods on the periodic table

Question 33

What makes up an element?

Answer 33

All elements have a number called the atomic number

Question 34

What are neutrons?

Answer 34

Neutrons are uncharged particles. They are neutral and no charge

Question 35

What are electrons?

Answer 35

Electrons have a negative charge & are electricity attached to positively charged protons. They surround the atomic nucleus

Question 36

What are protons?

Answer 36

Protons are a positive charge. The number of protons in an atom defines what element it is

Question 37

What is a nucleus?

Answer 37

Is a Center part of an atom