Particles

Question 1

What is a nucleus made of

Answer 1

Protons and neutrons

Question 2

What surrounds a nucleus

Answer 2

Electrons

Question 3

What is the relative charge of proton

Answer 3

+1

Question 4

What is the quantitive charge of a proton

Answer 4

e or 1.6x10^-19

Question 5

What is the quantitive charge of an electron

Answer 5

-1.6x10^-19 or -e

Question 6

What’s heaviest, Proton, Neutron and Electron

Answer 6

1) Neutron
2) Proton
3) Electron

Question 6

What is the charge of a neutron

Answer 6

0

Question 6

What particles are in alpha radiation

Answer 6

2 Protons and 2 neutrons

Question 6

What is an isotope

Answer 6

Same element but different number of neutrons

Question 7

What are unstable isotope’s known as

Answer 7

Radioactive Atoms

Question 8

What is Beta Radiation

Answer 8

A high speed particle getting ejected from an unstable atom

Question 9

Does Gamma radiation have mass?

Answer 9

No.

Question 10

Inside the nucleus what is the attractive force called

Answer 10

Strong Nuclear Force

Question 11

What does the Strong Nuclear force Overcome?

Answer 11

The Electrostatic force of repulsion

Question 12

Is the electron a fundamental particle?

Answer 12

Yes

Question 13

If we were to split apart a proton or neutron, what would we find?

Answer 13

Quarks

Question 14

Inside the proton what is the combination of quarks

Answer 14

UUD

Question 15

Inside a neutron, what is the combination of quarks

Answer 15

UDD

Question 16

What is the atomic mass unit?

Answer 16

U which equals to 1.661x10^-27

Question 17

When doing the scatter experiment, what were most of the particles doing

Answer 17

Going through the sheet, yet some reflected at different angles

Question 17

Why can a proton be next to another proton

Answer 17

Strong Nuclear

Question 18

What is the strong force carried by

Answer 18

A Gluon

Question 19

Does a Gluon have a long or short halflife

Answer 19

Short

Question 20

At a very close distance of <1.5fm, is there an attractive or repulsive force?

Answer 20

Repulsive

Question 21

As a distance of about 5fm is the an attractive or repulsive force?

Answer 21

Repulsive

Question 22

What does the standard model of a particle contain?

Answer 22

Protons, Neutrons and Electrons

Question 23

What is the charge of an Up Quark

Answer 23

2/3 e

Question 24

What is the charge of a Down Quark

Answer 24

2/3 e

Question 25

What are heavier electrons called

Answer 25

Muon

Question 26

What are electrons but without charge called

Answer 26

Electron Neutrino

Question 27

What is a heavier Electron Neutrino called

Answer 27

Muon Neutrino

Question 28

What can carry electromagnetic force?

Answer 28

Photon

Question 29

What are hadrons?

Answer 29

Atoms made of quarks,

Question 29

What carries the Electrostatic Force

Answer 29

Gluon

Question 30

What is antimatter?

Answer 30

A Particle but with opposite charge and spin

Question 30

What is the umbrella term for Photons and Gluon

Answer 30

Bosons

Question 31

How are Anti-particles usually shown

Answer 31

With a line over the top

Question 31

What is the Hadron that is only 2 quarks called?

Answer 31

Meson

Question 32

What would the charge of an Anti Up quark be?

Answer 32

-2/3e

Question 33

What is a hadron made of 3 quarks called?

Answer 33

Baryon

Question 34

What is a meson

Answer 34

A Hardon that is made of 2 quarks, The quark and its antiself

Question 35

Why do atoms decay?

Answer 35

To become more stable

Question 36

Explain a beta minus decay

Answer 36

A neutron turns into a Proton and a Beta- particle

Question 37

What is the Baryon number of an electron?

Answer 37

0

Question 37

What must be conserved in an equation

Answer 37

Charge, Baryon number and Lepton Number

Question 37

Show the charges of a Beta- Decay of a neutron

Answer 37

N -> p + B- 0 -> +1 + -1

Question 37

How to know if something has a baryon number?

Answer 37

If it is a Hadron and made of 3 quarks

Question 37

What is the baryon number of a neuton

Answer 37

+1

Question 38

What is the Lepton number?

Answer 38

If the particle is a Lepton then it has a lepton number of 1

Question 38

What is the baryon number of a Beta- Decay particle

Answer 38

0

Question 38

Is the Neutron a Lepton

Answer 38

No.

Question 39

In the Beta- decay of a neutron, is the Lepton number conserved?

Answer 39

No, 0 -> 0 + 1 makes it incorrect

Question 40

To make a Beta- decay of a Neutron equation be stable, what do we need to have?

Answer 40

An Anti Electron Neutrino as it has no Charge and No Baryon Number, only a Negative Lepton number making it stabilize the equation

Question 41

Why was the Rutherford Alpha particle scattering experiment significant?

Answer 41

Showed us that there is space between the Electrons and Nucleus

Question 42

There are three generation of quarks but tell me all the ones in the first one

Answer 42

Up and down

Question 43

What is in the first generation of Leptons?

Answer 43

Electron and electron Neutrino

Question 44

When an antiparticle and particle meet what happens

Answer 44

Annihilation gets released

Question 45

If a 2kg antiparticle and a 2kg particle collide, how much energy is released?

Answer 45

Using E=mc^2, E = 2(2) x (3x10^8)^2 E = 4 x (9x10^16) E = 3.6x10^17 you cannot forget about timesing 2x2 because there are 2 sets of things colliding

Question 46

What is the symbol for a positron

Answer 46

e+

Question 47

Can quarks be observed in isolation?

Answer 47

No, only in groups

Question 48

What are groups of 3 quarks called

Answer 48

Hadron

Question 49

What are combinations of 3 antiquarks called

Answer 49

Antibaryons

Question 50

What is a combination of a quark antiquark pair called>

Answer 50

Meson

Question 51

What Lepton number does a meson have

Answer 51

1

Question 52

What baryon number does a proton have

Answer 52

1

Question 53

What is the quark combination of an AntiProton

Answer 53

(underlined) UUD

Question 54

What does the gravitational force affect

Answer 54

Everything

Question 55

What is the range of the gravitational force?

Answer 55

Infinite

Question 56

In a nucleus is the gravitational force strong or weak?

Answer 56

weak, its only strong with large object and nuclei are very small

Question 57

What does the weak force affect?

Answer 57

All leptons, All quarks, All Hadrons

Question 58

What is the range of weak force?

Answer 58

Very short

Question 59

When is the weak force significant?

Answer 59

When EM and strong interactions do not operate

Question 60

What is the Electro Magnetic force experienced by?

Answer 60

All charged particles, for example a proton in a nucleus

Question 61

What is the range of the EM force

Answer 61

Infinite

Question 62

What does the Strong Nuclear Force affect

Answer 62

All quarks so only all hadrons not Leptons

Question 63

What is the range of the strong force

Answer 63

Short, between 1.5fm and 5fm

Question 63

How would you know whether something has a Lepton number of 1

Answer 63

If it is a Lepton and not a baryon ya dumbass

Question 63

If there is a quark flavour change, what does that mean

Answer 63

There is a weak interaction

Question 64

If there is a neutrino present, what is it exclusive to?

Answer 64

Weak interaction

Question 65

If there is a strong nuclear interaction involved, what does that mean?

Answer 65

There are only hadrons