| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | PASSED |
| Score | 54 / 66 (81.8%) |
| Passing score | 52.8 |
| Quiz took | 22 min 56 sec |
| Quiz finished at | 2023-04-11 15:47:06 |
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
In nuclear fission, energy is often converted into electricity by
Which of the following is NOT commonly caused by radiation sickness?
______ is the most ionising
An alpha particle is
The gold leaf experiment was conducted by
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
Fusion is the _________ of atoms
A nuclear weapon is made from nuclear
This can be used to ensure the thickness of paper is correct
Which of these is not a common source of background radiation
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
This can be used to kill cancer cells
What is the mass number of a {}_{14}{}^{30}Si atom?
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
Fission is the ________ of atoms
Which of the following requires thick lead of several metres of concrete to block it?
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
Gamma radiation is
Isotopes have the same numbers of
This can be used in smoke alarms
______ is the least penetrating
Consider nuclear fission equations. How many products are greenhouse gases?
______ is the most penetrating
What atomic number does a {}_{14}{}^{30}Si atom have?
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
Isotopes have different numbers of
How many protons does a {}_{14}{}^{30}Si atom have?
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
Why was gold used by Rutherford and Marsden?
Nuclear fission can result in ________ reactions
This can be used to make food last longer
_________ is the rate at which a source of unstable nuclei decays.
This subatomic particle has a negative charge
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
In the gold leaf experiment, _________ were fired at gold foil
For nuclear fusion, we would require
This subatomic particle has a positive charge
This can be used to sterilise surgical equipment
Which of these is not a common source of background radiation
__________ came up with the plum pudding model for the atom
How many electrons does a {}_{14}{}^{30}Si atom have?
A nuclear weapon is made from uncontrolled
This subatomic particle has a neutral charge
A neutron has a relative mass of
A beta particle is
Which of these was shot at gold film in a famous experiment?
Atoms are mostly
_______ orbit the nucleus
A proton has a relative mass of
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
The sun makes its energy from nuclear
Radiation dose is commonly measured in
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
Activity is measured in
Nuclear _________ is carried out on Earth in power plants
A _________ can be used to detect nuclear radiation.
In nuclear fission, energy is often carried away by ________
_______ showed that electrons had to orbit a positive nucleus in energy levels
How many neutrons does a {}_{14}{}^{30}Si atom have?
Atoms become positively charged particles called positive ions when they lose ________
____________ is temporary exposure to radiation.
______ is the least ionising
In the gold film experiment, most of the alpha particles went straight through because atoms are
This subatomic particle has a negligible mass