| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | FAILED |
| Score | 46 / 66 (69.7%) |
| Passing score | 52.8 |
| Quiz took | 5 min 43 sec |
| Quiz finished at | 2024-11-19 21:39:08 |
Why was gold used by Rutherford and Marsden?
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
Nuclear fission can result in ________ reactions
How many protons does a {}_{14}{}^{30}Si atom have?
This can be used in smoke alarms
_________ is the rate at which a source of unstable nuclei decays.
______ is the most penetrating
This subatomic particle has a neutral charge
Which of these was shot at gold film in a famous experiment?
Which of the following is NOT commonly caused by radiation sickness?
An alpha particle is
This subatomic particle has a negative charge
______ is the least ionising
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
_______ showed that electrons had to orbit a positive nucleus in energy levels
_______ orbit the nucleus
Which of these is not a common source of background radiation
Fusion is the _________ of atoms
This can be used to sterilise surgical equipment
Which of these is not a common source of background radiation
A _________ can be used to detect nuclear radiation.
Consider nuclear fission equations. How many products are greenhouse gases?
In the gold film experiment, most of the alpha particles went straight through because atoms are
For nuclear fusion, we would require
______ is the most ionising
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
A nuclear weapon is made from uncontrolled
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.
Radiation dose is commonly measured in
Atoms become positively charged particles called positive ions when they lose ________
A neutron has a relative mass of
How many neutrons does a {}_{14}{}^{30}Si atom have?
Fission is the ________ of atoms
In nuclear fission, energy is often carried away by ________
In nuclear fission, energy is often converted into electricity by
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
Nuclear _________ is carried out on Earth in power plants
This can be used to make food last longer
This subatomic particle has a negligible mass
How many electrons does a {}_{14}{}^{30}Si atom have?
__________ came up with the plum pudding model for the atom
In the gold leaf experiment, _________ were fired at gold foil
A beta particle is
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
This subatomic particle has a positive charge
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
Isotopes have the same numbers of
A proton has a relative mass of
Atoms are mostly
Isotopes have different numbers of
The sun makes its energy from nuclear
______ is the least penetrating
The gold leaf experiment was conducted by
Activity is measured in
This can be used to kill cancer cells
What atomic number does a {}_{14}{}^{30}Si atom have?
A nuclear weapon is made from nuclear
____________ is temporary exposure to radiation.
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
What is the mass number of a {}_{14}{}^{30}Si atom?
Which of the following requires thick lead of several metres of concrete to block it?
Gamma radiation is