| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | FAILED |
| Score | 38 / 66 (57.6%) |
| Passing score | 52.8 |
| Quiz took | 22 min 03 sec |
| Quiz finished at | 2022-07-03 14:10:08 |
In the gold film experiment, most of the alpha particles went straight through because atoms are
Consider nuclear fission equations. How many products are greenhouse gases?
A beta particle is
_________ is the rate at which a source of unstable nuclei decays.
_______ showed that electrons had to orbit a positive nucleus in energy levels
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
Which of these is not a common source of background radiation
This subatomic particle has a negative charge
A nuclear weapon is made from uncontrolled
How many protons does a {}_{14}{}^{30}Si atom have?
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
The gold leaf experiment was conducted by
This subatomic particle has a positive charge
Fusion is the _________ of atoms
A neutron has a relative mass of
__________ came up with the plum pudding model for the atom
A proton has a relative mass of
Why was gold used by Rutherford and Marsden?
Which of the following requires thick lead of several metres of concrete to block it?
For nuclear fusion, we would require
Atoms are mostly
This subatomic particle has a negligible mass
Radiation dose is commonly measured in
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
Fission is the ________ of atoms
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
This can be used to sterilise surgical equipment
This can be used to ensure the thickness of paper is correct
Which of these is not a common source of background radiation
This can be used to make food last longer
Isotopes have different numbers of
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
Nuclear fission can result in ________ reactions
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
This can be used to kill cancer cells
In the gold leaf experiment, _________ were fired at gold foil
Atoms become positively charged particles called positive ions when they lose ________
This subatomic particle has a neutral charge
Activity is measured in
Which of the following is NOT commonly caused by radiation sickness?
How many electrons does a {}_{14}{}^{30}Si atom have?
What atomic number does a {}_{14}{}^{30}Si atom have?
______ is the least ionising
{}_{}{}^{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
An alpha particle is
In nuclear fission, energy is often carried away by ________
Which of these was shot at gold film in a famous experiment?
This can be used in smoke alarms
____________ is temporary exposure to radiation.
_______ orbit the nucleus
______ is the least penetrating
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
In nuclear fission, energy is often converted into electricity by
Isotopes have the same numbers of
A nuclear weapon is made from nuclear
The sun makes its energy from nuclear
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.
Gamma radiation is
A _________ can be used to detect nuclear radiation.
How many neutrons does a {}_{14}{}^{30}Si atom have?
______ is the most penetrating
______ is the most ionising
Nuclear _________ is carried out on Earth in power plants