| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | PASSED |
| Score | 58 / 66 (87.9%) |
| Passing score | 52.8 |
| Quiz took | 4 min 54 sec |
| Quiz finished at | 2024-11-23 14:41:03 |
Why was gold used by Rutherford and Marsden?
What is the mass number of a {}_{14}{}^{30}Si atom?
In nuclear fission, energy is often carried away by ________
In the gold film experiment, most of the alpha particles went straight through because atoms are
A neutron has a relative mass of
______ is the most ionising
Atoms are mostly
Gamma radiation is
A nuclear weapon is made from uncontrolled
__________ came up with the plum pudding model for the atom
This can be used to make food last longer
Radiation dose is commonly measured in
Which of these is not a common source of background radiation
The gold leaf experiment was conducted by
This can be used in smoke alarms
This can be used to ensure the thickness of paper is correct
How many neutrons does a {}_{14}{}^{30}Si atom have?
Which of these is not a common source of background radiation
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
Nuclear _________ is carried out on Earth in power plants
Consider nuclear fission equations. How many products are greenhouse gases?
A nuclear weapon is made from nuclear
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
An alpha particle is
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
______ is the least penetrating
This subatomic particle has a negligible mass
______ is the least ionising
_______ orbit the nucleus
Fusion is the _________ of atoms
The sun makes its energy from nuclear
A _________ can be used to detect nuclear radiation.
In the gold leaf experiment, _________ were fired at gold foil
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
How many protons does a {}_{14}{}^{30}Si atom have?
Isotopes have different numbers of
_________ is the rate at which a source of unstable nuclei decays.
____________ is temporary exposure to radiation.
Fission is the ________ of atoms
A beta particle is
This can be used to sterilise surgical equipment
Activity is measured in
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
______ is the most penetrating
In nuclear fission, energy is often converted into electricity by
Which of the following is NOT commonly caused by radiation sickness?
A proton has a relative mass of
Atoms become positively charged particles called positive ions when they lose ________
Which of these was shot at gold film in a famous experiment?
For nuclear fusion, we would require
Which of the following requires thick lead of several metres of concrete to block it?
This subatomic particle has a positive charge
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
This subatomic particle has a negative charge
What atomic number does a {}_{14}{}^{30}Si atom have?
_______ showed that electrons had to orbit a positive nucleus in energy levels
How many electrons does a {}_{14}{}^{30}Si atom have?
Nuclear fission can result in ________ reactions
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
Isotopes have the same numbers of
This can be used to kill cancer cells
This subatomic particle has a neutral charge
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.