| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | PASSED |
| Score | 66 / 66 (100%) |
| Passing score | 52.8 |
| Quiz took | 17 min 19 sec |
| Quiz finished at | 2025-05-18 21:47:55 |
In the gold leaf experiment, _________ were fired at gold foil
Nuclear _________ is carried out on Earth in power plants
______ is the most ionising
Atoms become positively charged particles called positive ions when they lose ________
How many protons does a {}_{14}{}^{30}Si atom have?
Nuclear fission can result in ________ reactions
Which of these is not a common source of background radiation
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
This can be used to sterilise surgical equipment
Consider nuclear fission equations. How many products are greenhouse gases?
Fission is the ________ of atoms
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
Atoms are mostly
Which of the following is NOT commonly caused by radiation sickness?
______ is the least penetrating
_______ orbit the nucleus
This subatomic particle has a positive charge
In the gold film experiment, most of the alpha particles went straight through because atoms are
In nuclear fission, energy is often converted into electricity by
Gamma radiation is
__________ 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?
The gold leaf experiment was conducted by
____________ is temporary exposure to radiation.
A proton has a relative mass of
Activity is measured in
A beta particle is
Isotopes have the same numbers of
A nuclear weapon is made from uncontrolled
A nuclear weapon is made from nuclear
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
This subatomic particle has a negligible mass
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
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
A neutron has a relative mass of
Radiation dose is commonly measured in
This can be used to ensure the thickness of paper is correct
This subatomic particle has a neutral charge
_______ showed that electrons had to orbit a positive nucleus in energy levels
Fusion is the _________ of atoms
This subatomic particle has a negative charge
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
What atomic number does a {}_{14}{}^{30}Si atom have?
This can be used to make food last longer
______ is the most penetrating
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
How many neutrons does a {}_{14}{}^{30}Si atom have?
What is the mass number of a {}_{14}{}^{30}Si 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?
How many electrons does a {}_{14}{}^{30}Si atom have?
Which of these was shot at gold film in a famous experiment?
In nuclear fission, energy is often carried away by ________
The sun makes its energy from nuclear
Isotopes have different numbers of
This can be used in smoke alarms
_________ is the rate at which a source of unstable nuclei decays.
Which of these is not a common source of background radiation
A _________ can be used to detect nuclear radiation.
An alpha particle is
Why was gold used by Rutherford and Marsden?
This can be used to kill cancer cells
______ is the least ionising