| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | FAILED |
| Score | 51 / 66 (77.3%) |
| Passing score | 52.8 |
| Quiz took | 35 min 56 sec |
| Quiz finished at | 2022-10-12 18:09:28 |
Fusion is the _________ of atoms
A nuclear weapon is made from uncontrolled
__________ came up with the plum pudding model for the atom
This can be used to sterilise surgical equipment
Which of these is not a common source of background radiation
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
This can be used to make food last longer
____________ is temporary exposure to radiation.
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
Atoms become positively charged particles called positive ions when they lose ________
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
In the gold film experiment, most of the alpha particles went straight through because atoms are
Activity is measured in
The gold leaf experiment was conducted by
This can be used to ensure the thickness of paper is correct
For nuclear fusion, we would require
Which of the following requires thick lead of several metres of concrete to block it?
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
Which of the following is NOT commonly caused by radiation sickness?
_______ showed that electrons had to orbit a positive nucleus in energy levels
A _________ can be used to detect nuclear radiation.
______ is the most ionising
Consider nuclear fission equations. How many products are greenhouse gases?
Isotopes have different numbers of
How many electrons does a {}_{14}{}^{30}Si atom have?
Why was gold used by Rutherford and Marsden?
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
The sun makes its energy from nuclear
Isotopes have the same numbers of
What is the mass number of a {}_{14}{}^{30}Si atom?
_______ orbit the nucleus
This can be used to kill cancer cells
Which of these was shot at gold film in a famous experiment?
A nuclear weapon is made from nuclear
______ is the least ionising
This subatomic particle has a positive charge
Nuclear fission can result in ________ reactions
Atoms are mostly
This can be used in smoke alarms
Gamma radiation is
______ is the least penetrating
This subatomic particle has a neutral charge
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
In nuclear fission, energy is often converted into electricity by
______ is the most penetrating
An alpha particle is
This subatomic particle has a negative charge
A proton has a relative mass of
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
How many protons does a {}_{14}{}^{30}Si atom have?
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
Which of these is not a common source of background radiation
_________ is the rate at which a source of unstable nuclei decays.
In nuclear fission, energy is often carried away by ________
Fission is the ________ of atoms
How many neutrons does a {}_{14}{}^{30}Si atom have?
Nuclear _________ is carried out on Earth in power plants
In the gold leaf experiment, _________ were fired at gold foil
Radiation dose is commonly measured in
A beta particle is
____________ 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.
This subatomic particle has a negligible mass
What atomic number does a {}_{14}{}^{30}Si atom have?
A neutron has a relative mass of