| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | PASSED |
| Score | 53 / 66 (80.3%) |
| Passing score | 52.8 |
| Quiz took | 37 min 36 sec |
| Quiz finished at | 2024-04-03 16:36:38 |
This subatomic particle has a positive charge
A neutron has a relative mass of
This can be used in smoke alarms
In nuclear fission, energy is often converted into electricity by
Which of the following requires thick lead of several metres of concrete to block it?
Nuclear fission can result in ________ reactions
The sun makes its energy from nuclear
____________ is temporary exposure to radiation.
A _________ can be used to detect nuclear radiation.
This can be used to ensure the thickness of paper is correct
Which of these is not a common source of background radiation
_________ is the rate at which a source of unstable nuclei decays.
A proton has a relative mass of
A beta particle is
Isotopes have the same numbers of
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
For nuclear fusion, we would require
This subatomic particle has a neutral charge
This can be used to sterilise surgical equipment
Atoms are mostly
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
In the gold film experiment, most of the alpha particles went straight through because atoms are
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
In the gold leaf experiment, _________ were fired at gold foil
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
Gamma radiation is
This can be used to make food last longer
What is the mass number of a {}_{14}{}^{30}Si atom?
How many protons does a {}_{14}{}^{30}Si atom have?
_______ orbit the nucleus
A nuclear weapon is made from uncontrolled
______ is the most ionising
Which of these was shot at gold film in a famous experiment?
Nuclear _________ is carried out on Earth in power plants
An alpha particle is
Consider nuclear fission equations. How many products are greenhouse gases?
Which of the following is NOT commonly caused by radiation sickness?
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
This subatomic particle has a negligible mass
This subatomic particle has a negative charge
__________ came up with the plum pudding model for the atom
______ is the least ionising
______ is the most penetrating
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
Activity is measured in
Why was gold used by Rutherford and Marsden?
Radiation dose is commonly measured in
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
Fusion is the _________ of atoms
What atomic number does a {}_{14}{}^{30}Si atom have?
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
Atoms become positively charged particles called positive ions when they lose ________
_______ showed that electrons had to orbit a positive nucleus in energy levels
A nuclear weapon is made from nuclear
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
______ is the least penetrating
Which of these is not a common source of background radiation
The gold leaf experiment was conducted by
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
In nuclear fission, energy is often carried away by ________
Isotopes have different numbers of
This can be used to kill cancer cells
Fission is the ________ of atoms
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
How many neutrons does a {}_{14}{}^{30}Si atom have?
How many electrons does a {}_{14}{}^{30}Si atom have?