| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | PASSED |
| Score | 59 / 66 (89.4%) |
| Passing score | 52.8 |
| Quiz took | 11 min 26 sec |
| Quiz finished at | 2023-03-15 17:40:42 |
This subatomic particle has a neutral charge
This can be used to sterilise surgical equipment
This subatomic particle has a positive charge
Gamma radiation is
Atoms are mostly
Why was gold used by Rutherford and Marsden?
This can be used in smoke alarms
This can be used to make food last longer
This can be used to kill cancer cells
In the gold film experiment, most of the alpha particles went straight through because atoms are
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
_______ orbit the nucleus
How many protons does a {}_{14}{}^{30}Si atom have?
______ is the most ionising
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
This subatomic particle has a negligible mass
Isotopes have different numbers of
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
In nuclear fission, energy is often carried away by ________
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
The gold leaf experiment was conducted by
This subatomic particle has a negative charge
A proton has a relative mass of
How many neutrons does a {}_{14}{}^{30}Si atom have?
Which of the following is NOT commonly caused by radiation sickness?
Nuclear fission can result in ________ reactions
Radiation dose is commonly measured in
A _________ can be used to detect nuclear radiation.
Which of the following requires thick lead of several metres of concrete to block it?
A nuclear weapon is made from nuclear
For nuclear fusion, we would require
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
How many electrons does a {}_{14}{}^{30}Si atom have?
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
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
Activity is measured in
Isotopes have the same numbers of
In nuclear fission, energy is often converted into electricity by
Consider nuclear fission equations. How many products are greenhouse gases?
What atomic number does a {}_{14}{}^{30}Si atom have?
_______ showed that electrons had to orbit a positive nucleus in energy levels
A beta particle is
An alpha particle is
_________ is the rate at which a source of unstable nuclei decays.
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 ensure the thickness of paper is correct
In the gold leaf experiment, _________ were fired at gold foil
Nuclear _________ is carried out on Earth in power plants
A neutron has a relative mass of
Which of these was shot at gold film in a famous experiment?
______ is the most penetrating
What is the mass number of a {}_{14}{}^{30}Si atom?
Atoms become positively charged particles called positive ions when they lose ________
______ is the least penetrating
A nuclear weapon is made from uncontrolled
Fusion is the _________ of atoms
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?
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
______ is the least ionising
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
Fission is the ________ of atoms
__________ came up with the plum pudding model for the atom
____________ is temporary exposure to radiation.
The sun makes its energy from nuclear