| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | PASSED |
| Score | 61 / 66 (92.4%) |
| Passing score | 52.8 |
| Quiz took | 16 min 02 sec |
| Quiz finished at | 2023-12-04 10:40:57 |
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
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
A neutron has a relative mass of
Nuclear _________ is carried out on Earth in power plants
Gamma radiation is
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
In the gold film experiment, most of the alpha particles went straight through because atoms are
This can be used to kill cancer cells
Fusion is the _________ of atoms
A nuclear weapon is made from nuclear
______ is the least ionising
A proton has a relative mass of
What atomic number does a {}_{14}{}^{30}Si atom have?
Isotopes have the same numbers of
In the gold leaf experiment, _________ were fired at gold foil
______ is the most penetrating
A beta particle is
A nuclear weapon is made from uncontrolled
Radiation dose is commonly measured in
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
Consider nuclear fission equations. How many products are greenhouse gases?
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 different numbers of
Which of the following is NOT commonly caused by radiation sickness?
Atoms become positively charged particles called positive ions when they lose ________
Fission is the ________ of atoms
_________ is the rate at which a source of unstable nuclei decays.
This subatomic particle has a negligible mass
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
Why was gold used by Rutherford and Marsden?
______ is the most ionising
How many protons does a {}_{14}{}^{30}Si atom have?
A _________ can be used to detect nuclear radiation.
Which of these was shot at gold film in a famous experiment?
This subatomic particle has a negative charge
This can be used in smoke alarms
Atoms are mostly
The sun makes its energy from nuclear
How many electrons does a {}_{14}{}^{30}Si atom have?
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
Which of these is not a common source of background radiation
This can be used to sterilise surgical equipment
For nuclear fusion, we would require
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
Which of the following requires thick lead of several metres of concrete to block it?
_______ showed that electrons had to orbit a positive nucleus in energy levels
Activity is measured in
How many neutrons does a {}_{14}{}^{30}Si atom have?
______ is the least penetrating
This can be used to make food last longer
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 ensure the thickness of paper is correct
What is the mass number of a {}_{14}{}^{30}Si atom?
____________ is temporary exposure to radiation.
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
_______ orbit the nucleus
An alpha particle is
__________ came up with the plum pudding model for the atom
Nuclear fission can result in ________ reactions
Which of these is not a common source of background radiation
{}_{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
In nuclear fission, energy is often carried away by ________
This subatomic particle has a neutral charge