| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | FAILED |
| Score | 40 / 66 (60.6%) |
| Passing score | 52.8 |
| Quiz took | 11 min 27 sec |
| Quiz finished at | 2024-11-04 19:27:09 |
A beta particle is
Atoms are mostly
A nuclear weapon is made from nuclear
In the gold film experiment, most of the alpha particles went straight through because atoms are
How many electrons does a {}_{14}{}^{30}Si atom have?
Which of these was shot at gold film in a famous experiment?
In the gold leaf experiment, _________ were fired at gold foil
Which of these is not a common source of background radiation
This subatomic particle has a neutral charge
_______ orbit the nucleus
Nuclear fission can result in ________ reactions
Isotopes have different numbers of
Fission is the ________ of atoms
An alpha particle is
This can be used to sterilise surgical equipment
____________ is temporary exposure to radiation.
_______ 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?
Atoms become positively charged particles called positive ions when they lose ________
Which of the following requires thick lead of several metres of concrete to block it?
Radiation dose is commonly measured in
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
This subatomic particle has a negative charge
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
How many protons does a {}_{14}{}^{30}Si atom have?
What atomic number does a {}_{14}{}^{30}Si atom have?
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
Consider nuclear fission equations. How many products are greenhouse gases?
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?
How many neutrons does a {}_{14}{}^{30}Si atom have?
For nuclear fusion, we would require
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
A proton has a relative mass of
______ is the least ionising
The gold leaf experiment was conducted by
This subatomic particle has a positive charge
This can be used to kill cancer cells
Gamma radiation is
Which of these is not a common source of background radiation
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 negligible mass
Why was gold used by Rutherford and Marsden?
__________ came up with the plum pudding model for the atom
What is the mass number of a {}_{14}{}^{30}Si atom?
Activity is measured in
A nuclear weapon is made from uncontrolled
Nuclear _________ is carried out on Earth in power plants
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
_________ is the rate at which a source of unstable nuclei decays.
The sun makes its energy from nuclear
_______ showed that electrons had to orbit a positive nucleus in energy levels
This can be used in smoke alarms
In nuclear fission, energy is often carried away by ________
______ is the most ionising
This can be used to ensure the thickness of paper is correct
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
A _________ can be used to detect nuclear radiation.
This can be used to make food last longer
A neutron has a relative mass of
Fusion is the _________ of atoms
______ is the least penetrating
______ is the most penetrating
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
Isotopes have the same numbers of