Quiz | Developing the model of the atom |
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Name | |
Result | FAILED |
Score | 45 / 66 (68.2%) |
Passing score | 52.8 |
Quiz took | 4 min 25 sec |
Quiz finished at | 2024-11-23 14:31:15 |
An alpha particle is
Nuclear fission can result in ________ reactions
What atomic number does a {}_{14}{}^{30}Si atom have?
______ is the least ionising
In nuclear fission, energy is often converted into electricity by
Why was gold used by Rutherford and Marsden?
This can be used to kill cancer cells
Which of these is not a common source of background radiation
This subatomic particle has a neutral charge
Radiation dose is commonly measured in
Nuclear _________ is carried out on Earth in power plants
Fusion is the _________ of atoms
______ is the most ionising
Isotopes have different numbers of
_________ is the rate at which a source of unstable nuclei decays.
______ is the least penetrating
Which of these was shot at gold film in a famous experiment?
This can be used to ensure the thickness of paper is correct
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
Gamma radiation is
How many neutrons does a {}_{14}{}^{30}Si atom have?
____________ is temporary exposure to radiation.
This subatomic particle has a negative charge
A proton has a relative mass of
This can be used in smoke alarms
Isotopes have the same numbers of
A neutron has a relative mass of
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
Atoms become positively charged particles called positive ions when they lose ________
In the gold film experiment, most of the alpha particles went straight through because atoms are
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
_______ showed that electrons had to orbit a positive nucleus in energy levels
Which of the following requires thick lead of several metres of concrete to block it?
_______ orbit the nucleus
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
The sun makes its energy from nuclear
In the gold leaf experiment, _________ were fired at gold foil
How many electrons does a {}_{14}{}^{30}Si atom have?
How many protons does a {}_{14}{}^{30}Si atom have?
__________ came up with the plum pudding model for the atom
______ is the most penetrating
A nuclear weapon is made from nuclear
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
This can be used to make food last longer
This subatomic particle has a positive charge
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
For nuclear fusion, we would require
A beta particle is
This subatomic particle has a negligible mass
In nuclear fission, energy is often carried away by ________
Which of the following is NOT commonly caused by radiation sickness?
Atoms are mostly
This can be used to sterilise surgical equipment
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
What is the mass number of a {}_{14}{}^{30}Si atom?
The gold leaf experiment was conducted by
Activity is measured in
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
A nuclear weapon is made from uncontrolled
Consider nuclear fission equations. How many products are greenhouse gases?
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
Which of these is not a common source of background radiation
A _________ can be used to detect nuclear radiation.
Fission is the ________ of atoms