| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | FAILED |
| Score | 51 / 66 (77.3%) |
| Passing score | 52.8 |
| Quiz took | 9 h 8 min 06 sec |
| Quiz finished at | 2023-12-05 22:17:08 |
Which of these is not a common source of background radiation
______ is the most ionising
______ is the least penetrating
In the gold film experiment, most of the alpha particles went straight through because atoms are
This can be used in smoke alarms
How many protons does a {}_{14}{}^{30}Si atom have?
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
What is the mass number of a {}_{14}{}^{30}Si atom?
This subatomic particle has a negligible mass
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
In nuclear fission, energy is often converted into electricity by
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
The sun makes its energy from nuclear
This subatomic particle has a positive charge
A nuclear weapon is made from nuclear
Which of the following requires thick lead of several metres of concrete to block it?
Consider nuclear fission equations. How many products are greenhouse gases?
A neutron has a relative mass of
Atoms are mostly
This can be used to ensure the thickness of paper is correct
In nuclear fission, energy is often carried away by ________
For nuclear fusion, we would require
Atoms become positively charged particles called positive ions when they lose ________
In the gold leaf experiment, _________ were fired at gold foil
How many neutrons does a {}_{14}{}^{30}Si atom have?
This can be used to kill cancer cells
A proton has a relative mass of
This subatomic particle has a neutral charge
Fission is the ________ of atoms
Nuclear _________ is carried out on Earth in power plants
Which of these is not a common source of background radiation
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
What atomic number does a {}_{14}{}^{30}Si atom have?
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
Activity is measured in
____________ is temporary exposure to radiation.
Which of these was shot at gold film in a famous experiment?
An alpha particle is
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
Nuclear fission can result in ________ reactions
Isotopes have the same numbers of
_______ orbit the nucleus
Why was gold used by Rutherford and Marsden?
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
_______ showed that electrons had to orbit a positive nucleus in energy levels
A beta particle is
This subatomic particle has a negative charge
{}_{}{}^{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
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
Gamma radiation is
This can be used to sterilise surgical equipment
Which of the following is NOT commonly caused by radiation sickness?
A nuclear weapon is made from uncontrolled
How many electrons does a {}_{14}{}^{30}Si atom have?
This can be used to make food last longer
_________ is the rate at which a source of unstable nuclei decays.
______ is the least ionising
Fusion is the _________ of atoms
Isotopes have different numbers of
Radiation dose is commonly measured in
__________ came up with the plum pudding model for the atom
The gold leaf experiment was conducted by
A _________ can be used to detect nuclear radiation.
______ is the most penetrating