| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | FAILED |
| Score | 30 / 66 (45.5%) |
| Passing score | 52.8 |
| Quiz took | 9 min 47 sec |
| Quiz finished at | 2023-01-08 16:59:23 |
How many protons does a {}_{14}{}^{30}Si atom have?
____________ is temporary exposure to radiation.
______ is the least ionising
Fission is the ________ of atoms
Why was gold used by Rutherford and Marsden?
What atomic number does a {}_{14}{}^{30}Si atom have?
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
Fusion is the _________ of atoms
A proton has a relative mass of
This can be used to make food last longer
In the gold film experiment, most of the alpha particles went straight through because atoms are
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
Which of the following is NOT commonly caused by radiation sickness?
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
In nuclear fission, energy is often converted into electricity by
Isotopes have different numbers of
Radiation dose is commonly measured in
______ is the most ionising
This can be used to kill cancer cells
In the gold leaf experiment, _________ were fired at gold foil
How many neutrons does a {}_{14}{}^{30}Si atom have?
A _________ can be used to detect nuclear radiation.
Nuclear _________ is carried out on Earth in power plants
Atoms become positively charged particles called positive ions when they lose ________
What is the mass number of a {}_{14}{}^{30}Si atom?
Which of these is not a common source of background radiation
Which of the following requires thick lead of several metres of concrete to block it?
______ is the most penetrating
Isotopes have the same numbers of
Consider nuclear fission equations. How many products are greenhouse gases?
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
__________ came up with the plum pudding model for the atom
A neutron has a relative mass of
This subatomic particle has a negligible mass
Which of these is not a common source of background radiation
Nuclear fission can result in ________ reactions
A beta particle is
Gamma radiation is
_________ is the rate at which a source of unstable nuclei decays.
How many electrons does a {}_{14}{}^{30}Si atom have?
This subatomic particle has a neutral charge
This can be used to sterilise surgical equipment
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
This subatomic particle has a negative charge
A nuclear weapon is made from uncontrolled
A nuclear weapon is made from nuclear
_______ showed that electrons had to orbit a positive nucleus in energy levels
The sun makes its energy from nuclear
This can be used to ensure the thickness of paper is correct
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
Which of these was shot at gold film in a famous experiment?
______ is the least penetrating
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
The gold leaf experiment was conducted by
This subatomic particle has a positive charge
In nuclear fission, energy is often carried away by ________
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 in smoke alarms
Activity is measured in
An alpha particle is
Atoms are mostly
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
For nuclear fusion, we would require
_______ orbit the nucleus