| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | FAILED |
| Score | 46 / 66 (69.7%) |
| Passing score | 52.8 |
| Quiz took | 2 h 13 min 33 sec |
| Quiz finished at | 2023-05-26 15:34:15 |
Radiation dose is commonly measured in
______ is the most ionising
__________ came up with the plum pudding model for the atom
Which of these was shot at gold film in a famous experiment?
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
Fusion is the _________ of atoms
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
____________ is temporary exposure to radiation.
How many protons does a {}_{14}{}^{30}Si atom have?
A neutron 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
Activity is measured in
Isotopes have different numbers of
For nuclear fusion, we would require
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
This can be used to kill cancer cells
_______ orbit the nucleus
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
What atomic number does a {}_{14}{}^{30}Si atom have?
How many electrons does a {}_{14}{}^{30}Si atom have?
Atoms become positively charged particles called positive ions when they lose ________
Fission is the ________ of atoms
Consider nuclear fission equations. How many products are greenhouse gases?
______ is the least penetrating
Atoms are mostly
Nuclear fission can result in ________ reactions
This can be used in smoke alarms
This subatomic particle has a negligible mass
Which of the following requires thick lead of several metres of concrete to block it?
The sun makes its energy from nuclear
Why was gold used by Rutherford and Marsden?
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
Gamma radiation is
This subatomic particle has a negative charge
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
______ is the least ionising
This can be used to make food last longer
In nuclear fission, energy is often converted into electricity by
A nuclear weapon is made from uncontrolled
Which of the following is NOT commonly caused by radiation sickness?
Which of these is not a common source of background radiation
This can be used to ensure the thickness of paper is correct
An alpha particle is
In the gold film experiment, most of the alpha particles went straight through because atoms are
In nuclear fission, energy is often carried away by ________
The gold leaf experiment was conducted by
This can be used to sterilise surgical equipment
A nuclear weapon is made from nuclear
Which of these is not a common source of background radiation
This subatomic particle has a neutral charge
_________ is the rate at which a source of unstable nuclei decays.
What is the mass number of a {}_{14}{}^{30}Si atom?
This subatomic particle has a positive charge
Nuclear _________ is carried out on Earth in power plants
A proton has a relative mass of
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
_______ showed that electrons had to orbit a positive nucleus in energy levels
Isotopes have the same numbers of
How many neutrons does a {}_{14}{}^{30}Si atom have?
A beta particle is
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
A _________ can be used to detect nuclear radiation.
______ is the most penetrating