| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | PASSED |
| Score | 53 / 66 (80.3%) |
| Passing score | 52.8 |
| Quiz took | 44 min 40 sec |
| Quiz finished at | 2024-04-03 16:52:15 |
______ is the most ionising
The sun makes its energy from nuclear
In the gold leaf experiment, _________ were fired at gold foil
How many electrons does a {}_{14}{}^{30}Si atom have?
This subatomic particle has a positive charge
Which of the following is NOT commonly caused by radiation sickness?
Gamma radiation is
In nuclear fission, energy is often converted into electricity by
_______ showed that electrons had to orbit a positive nucleus in energy levels
Which of these is not a common source of background radiation
Atoms are mostly
Consider nuclear fission equations. How many products are greenhouse gases?
Why was gold used by Rutherford and Marsden?
This subatomic particle has a neutral charge
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?
This can be used to make food last longer
This subatomic particle has a negative charge
Fission is the ________ of atoms
This can be used to kill cancer cells
_______ orbit the nucleus
A nuclear weapon is made from nuclear
______ is the least penetrating
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
Atoms become positively charged particles called positive ions when they lose ________
__________ came up with the plum pudding model for the atom
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.
_________ is the rate at which a source of unstable nuclei decays.
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
This can be used to sterilise surgical equipment
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
Which of these is not a common source of background radiation
Activity is measured in
Radiation dose is commonly measured in
A proton has a relative mass of
How many neutrons does a {}_{14}{}^{30}Si atom have?
A _________ can be used to detect nuclear radiation.
An alpha particle is
Isotopes have different numbers of
____________ is temporary exposure to radiation.
Which of the following requires thick lead of several metres of concrete to block it?
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
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
Which of these was shot at gold film in a famous experiment?
What is the mass number of a {}_{14}{}^{30}Si atom?
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
______ is the least ionising
A beta particle is
Isotopes have the same numbers of
What atomic number does a {}_{14}{}^{30}Si atom have?
Nuclear fission can result in ________ reactions
For nuclear fusion, we would require
Fusion is the _________ of atoms
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
______ is the most penetrating
This can be used to ensure the thickness of paper is correct
A neutron has a relative mass of
In nuclear fission, energy is often carried away by ________
A nuclear weapon is made from uncontrolled
This subatomic particle has a negligible mass
Nuclear _________ is carried out on Earth in power plants