| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | FAILED |
| Score | 23 / 66 (34.8%) |
| Passing score | 52.8 |
| Quiz took | 15 min 16 sec |
| Quiz finished at | 2023-11-23 10:18:45 |
How many protons 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?
A _________ can be used to detect nuclear radiation.
The sun makes its energy from nuclear
Fusion is the _________ of atoms
Which of these was shot at gold film in a famous experiment?
_______ orbit the nucleus
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
Gamma radiation is
Isotopes have the same numbers of
Which of these is not a common source of background radiation
______ is the most penetrating
A beta particle is
__________ came up with the plum pudding model for the atom
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
Which of the following requires thick lead of several metres of concrete to block it?
A nuclear weapon is made from nuclear
Atoms become positively charged particles called positive ions when they lose ________
Nuclear fission can result in ________ reactions
This can be used to make food last longer
_______ showed that electrons had to orbit a positive nucleus in energy levels
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
_________ is the rate at which a source of unstable nuclei decays.
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
Activity is measured in
This can be used to ensure the thickness of paper is correct
Isotopes have different numbers of
Fission is the ________ of atoms
Atoms are mostly
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
The gold leaf experiment was conducted by
For nuclear fusion, we would require
____________ is temporary exposure to radiation.
A proton has a relative mass of
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
Which of these is not a common source of background radiation
Which of the following is NOT commonly caused by radiation sickness?
How many electrons does a {}_{14}{}^{30}Si atom have?
A neutron has a relative mass of
A nuclear weapon is made from uncontrolled
In nuclear fission, energy is often carried away by ________
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
An alpha particle is
This subatomic particle has a positive charge
This subatomic particle has a negative charge
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
This subatomic particle has a negligible mass
How many neutrons does a {}_{14}{}^{30}Si atom have?
Radiation dose is commonly measured in
This can be used to kill cancer cells
What atomic number does a {}_{14}{}^{30}Si atom have?
Consider nuclear fission equations. How many products are greenhouse gases?
______ is the least ionising
______ is the most ionising
In nuclear fission, energy is often converted into electricity by
Why was gold used by Rutherford and Marsden?
This subatomic particle has a neutral charge
______ is the least penetrating
This can be used in smoke alarms
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
What is the mass number of a {}_{14}{}^{30}Si atom?
In the gold film experiment, most of the alpha particles went straight through because atoms are
Nuclear _________ is carried out on Earth in power plants
In the gold leaf experiment, _________ were fired at gold foil