| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | FAILED |
| Score | 50 / 66 (75.8%) |
| Passing score | 52.8 |
| Quiz took | 20 min 15 sec |
| Quiz finished at | 2024-03-19 21:54:21 |
What is the mass number of a {}_{14}{}^{30}Si atom?
______ is the most ionising
This subatomic particle has a neutral charge
How many electrons does a {}_{14}{}^{30}Si atom have?
This can be used to ensure the thickness of paper is correct
Nuclear fission can result in ________ reactions
_______ orbit the nucleus
Nuclear _________ is carried out on Earth in power plants
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
__________ came up with the plum pudding model for the atom
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
Isotopes have the same numbers of
Fusion is the _________ of atoms
_________ is the rate at which a source of unstable nuclei decays.
Which of the following is NOT commonly caused by radiation sickness?
A beta particle is
Isotopes have different numbers of
In nuclear fission, energy is often carried away by ________
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
The gold leaf experiment was conducted by
______ is the least ionising
In the gold film experiment, most of the alpha particles went straight through because atoms are
______ is the most penetrating
Gamma radiation is
An alpha particle is
A proton has a relative mass of
For nuclear fusion, we would require
In nuclear fission, energy is often converted into electricity by
______ is the least penetrating
What atomic number does a {}_{14}{}^{30}Si atom have?
Why was gold used by Rutherford and Marsden?
Which of the following requires thick lead of several metres of concrete to block it?
A nuclear weapon is made from uncontrolled
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
Atoms become positively charged particles called positive ions when they lose ________
This can be used to kill cancer cells
This subatomic particle has a positive 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
A _________ can be used to detect nuclear radiation.
The sun makes its energy from nuclear
In the gold leaf experiment, _________ were fired at gold foil
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
Atoms are mostly
Activity is measured in
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
_______ showed that electrons had to orbit a positive nucleus in energy levels
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
Radiation dose is commonly measured in
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
A neutron has a relative mass of
Which of these was shot at gold film in a famous experiment?
Consider nuclear fission equations. How many products are greenhouse gases?
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
This subatomic particle has a negligible mass
Fission is the ________ of atoms
A nuclear weapon is made from nuclear
Which of these is not a common source of background radiation
____________ is temporary exposure to radiation.
How many neutrons does a {}_{14}{}^{30}Si atom have?
Which of these is not a common source of background radiation
This can be used to make food last longer
This subatomic particle has a negative charge
How many protons does a {}_{14}{}^{30}Si atom have?
This can be used in smoke alarms