| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | PASSED |
| Score | 58 / 66 (87.9%) |
| Passing score | 52.8 |
| Quiz took | 9 min 58 sec |
| Quiz finished at | 2023-12-11 21:53:56 |
This can be used to ensure the thickness of paper is correct
A neutron has a relative mass of
In the gold film experiment, most of the alpha particles went straight through because atoms are
______ is the least penetrating
Nuclear _________ is carried out on Earth in power plants
______ is the most ionising
A beta particle is
This can be used in smoke alarms
This can be used to make food last longer
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
This subatomic particle has a negative charge
Consider nuclear fission equations. How many products are greenhouse gases?
In nuclear fission, energy is often carried away by ________
This subatomic particle has a negligible mass
______ is the most penetrating
Atoms become positively charged particles called positive ions when they lose ________
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
In nuclear fission, energy is often converted into electricity by
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
Which of the following is NOT commonly caused by radiation sickness?
_________ is the rate at which a source of unstable nuclei decays.
Isotopes have different numbers of
Which of these is not a common source of background radiation
How many neutrons does a {}_{14}{}^{30}Si atom have?
Isotopes have the same numbers of
Why was gold used by Rutherford and Marsden?
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
Nuclear fission can result in ________ reactions
This can be used to kill cancer cells
This subatomic particle has a positive charge
______ is the least ionising
_______ 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?
In the gold leaf experiment, _________ were fired at gold foil
Radiation dose is commonly measured in
What atomic number does a {}_{14}{}^{30}Si atom have?
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
__________ came up with the plum pudding model for the atom
How many protons does a {}_{14}{}^{30}Si atom have?
The sun makes its energy from nuclear
____________ is temporary exposure to radiation.
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
_______ orbit the nucleus
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
Fission is the ________ of atoms
Activity is measured in
How many electrons does a {}_{14}{}^{30}Si atom have?
The gold leaf experiment was conducted by
What is the mass number of a {}_{14}{}^{30}Si atom?
Fusion is the _________ of atoms
An alpha particle is
Atoms are mostly
A nuclear weapon is made from nuclear
For nuclear fusion, we would require
A nuclear weapon is made from uncontrolled
Which of these was shot at gold film in a famous experiment?
This subatomic particle has a neutral charge
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
Gamma radiation is
This can be used to sterilise surgical equipment
A _________ can be used to detect nuclear radiation.
Which of these is not a common source of background radiation
A proton has a relative mass of