| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | FAILED |
| Score | 50 / 66 (75.8%) |
| Passing score | 52.8 |
| Quiz took | 14 min 57 sec |
| Quiz finished at | 2023-12-04 10:24:10 |
Isotopes have the same numbers of
This can be used in smoke alarms
This subatomic particle has a neutral charge
This can be used to ensure the thickness of paper is correct
______ is the least ionising
Activity is measured in
How many electrons does a {}_{14}{}^{30}Si atom have?
Which of these is not a common source of background radiation
Nuclear _________ is carried out on Earth in power plants
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
This can be used to kill cancer cells
_______ orbit the nucleus
In the gold film experiment, most of the alpha particles went straight through because atoms are
In the gold leaf experiment, _________ were fired at gold foil
In nuclear fission, energy is often carried away by ________
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
Fusion is the _________ of atoms
How many protons does a {}_{14}{}^{30}Si atom have?
_______ showed that electrons had to orbit a positive nucleus in energy levels
A nuclear weapon is made from uncontrolled
The sun makes its energy from nuclear
____________ is temporary exposure to radiation.
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
In nuclear fission, energy is often converted into electricity by
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
Which of the following requires thick lead of several metres of concrete to block it?
Which of the following is NOT commonly caused by radiation sickness?
Radiation dose is commonly measured in
Fission is the ________ of atoms
______ is the most penetrating
Which of these was shot at gold film in a famous experiment?
_________ is the rate at which a source of unstable nuclei decays.
How many neutrons does a {}_{14}{}^{30}Si atom have?
An alpha particle is
A _________ can be used to detect nuclear radiation.
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
__________ came up with the plum pudding model for the atom
______ is the most ionising
This subatomic particle has a negative charge
This subatomic particle has a positive charge
Consider nuclear fission equations. How many products are greenhouse gases?
Which of these is not a common source of background radiation
Atoms are mostly
Gamma radiation is
What atomic number does a {}_{14}{}^{30}Si atom have?
______ is the least penetrating
This subatomic particle has a negligible mass
A nuclear weapon is made from nuclear
Why was gold used by Rutherford and Marsden?
Isotopes have different numbers of
A neutron has a relative mass of
What is the mass number of a {}_{14}{}^{30}Si atom?
This can be used to make food last longer
Nuclear fission can result in ________ reactions
For nuclear fusion, we would require
Atoms become positively charged particles called positive ions when they lose ________
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
The gold leaf experiment was conducted by
A proton has a relative mass of
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
This can be used to sterilise surgical equipment
A beta particle is