Quiz | Developing the model of the atom |
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Name | |
Result | FAILED |
Score | 52 / 66 (78.8%) |
Passing score | 52.8 |
Quiz took | 16 min 11 sec |
Quiz finished at | 2022-11-28 16:31:51 |
This can be used to sterilise surgical equipment
Which of these is not a common source of background radiation
In nuclear fission, energy is often carried away by ________
What atomic number does a {}_{14}{}^{30}Si atom have?
The gold leaf experiment was conducted by
_________ is the rate at which a source of unstable nuclei decays.
Nuclear fission can result in ________ reactions
Which of these is not a common source of background radiation
In the gold film experiment, most of the alpha particles went straight through because atoms are
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
______ is the least ionising
This can be used to ensure the thickness of paper is correct
Which of these was shot at gold film in a famous experiment?
_______ orbit the nucleus
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
How many protons does a {}_{14}{}^{30}Si atom have?
____________ is temporary exposure to radiation.
Fusion is the _________ of atoms
A beta particle is
______ is the most penetrating
Atoms become positively charged particles called positive ions when they lose ________
__________ came up with the plum pudding model for the atom
Atoms are mostly
Why was gold used by Rutherford and Marsden?
This subatomic particle has a negative charge
Consider nuclear fission equations. How many products are greenhouse gases?
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
A nuclear weapon is made from uncontrolled
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
Which of the following requires thick lead of several metres of concrete to block it?
This subatomic particle has a negligible mass
A nuclear weapon is made from nuclear
A proton has a relative mass of
A neutron has a relative mass of
Activity is measured in
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
______ is the least penetrating
In nuclear fission, energy is often converted into electricity by
Isotopes have the same numbers of
What is the mass number of a {}_{14}{}^{30}Si atom?
The sun makes its energy from nuclear
Fission is the ________ of atoms
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
Gamma radiation is
This can be used to kill cancer cells
Isotopes have different numbers of
______ is the most ionising
In the gold leaf experiment, _________ were fired at gold foil
An alpha particle is
_______ showed that electrons had to orbit a positive nucleus in energy levels
A _________ can be used to detect nuclear radiation.
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
This subatomic particle has a positive charge
How many neutrons does a {}_{14}{}^{30}Si atom have?
How many electrons does a {}_{14}{}^{30}Si atom have?
Nuclear _________ is carried out on Earth in power plants
This can be used to make food last longer
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
For nuclear fusion, we would require
Which of the following is NOT commonly caused by radiation sickness?
Radiation dose is commonly measured in
This can be used in smoke alarms
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
This subatomic particle has a neutral charge