| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | FAILED |
| Score | 46 / 66 (69.7%) |
| Passing score | 52.8 |
| Quiz took | 56 min 25 sec |
| Quiz finished at | 2024-03-13 18:33:04 |
Nuclear _________ is carried out on Earth in power plants
______ is the least penetrating
______ is the most ionising
A neutron has a relative mass of
This subatomic particle has a negligible mass
Fusion is the _________ of atoms
_______ showed that electrons had to orbit a positive nucleus in energy levels
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
_________ is the rate at which a source of unstable nuclei decays.
Atoms become positively charged particles called positive ions when they lose ________
A _________ can be used to detect nuclear radiation.
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
_______ orbit the nucleus
This subatomic particle has a negative charge
A proton has a relative mass of
What atomic number does a {}_{14}{}^{30}Si atom have?
______ is the most penetrating
This can be used to make food last longer
This subatomic particle has a positive charge
A nuclear weapon is made from nuclear
Fission is the ________ of atoms
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
In the gold film experiment, most of the alpha particles went straight through because atoms are
This can be used to sterilise surgical equipment
In nuclear fission, energy is often carried away by ________
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
A nuclear weapon is made from uncontrolled
__________ came up with the plum pudding model for the atom
This can be used to ensure the thickness of paper is correct
Gamma radiation is
Atoms are mostly
______ is the least ionising
Which of these is not a common source of background radiation
Which of these is not a common source of background radiation
This can be used in smoke alarms
The gold leaf experiment was conducted by
An alpha particle is
What is the mass number of a {}_{14}{}^{30}Si atom?
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
How many neutrons does a {}_{14}{}^{30}Si atom have?
Activity is measured in
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
Isotopes have the same numbers of
Which of the following requires thick lead of several metres of concrete to block it?
Why was gold used by Rutherford and Marsden?
Nuclear fission can result in ________ reactions
Which of the following is NOT commonly caused by radiation sickness?
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 protons does a {}_{14}{}^{30}Si atom have?
The sun makes its energy from nuclear
Radiation dose is commonly measured in
How many electrons does a {}_{14}{}^{30}Si atom have?
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
In the gold leaf experiment, _________ were fired at gold foil
Which of these was shot at gold film in a famous experiment?
A beta particle is
This can be used to kill cancer cells
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
For nuclear fusion, we would require
This subatomic particle has a neutral charge
____________ 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
Isotopes have different numbers of
____________ is temporary exposure to radiation.