| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | PASSED |
| Score | 61 / 66 (92.4%) |
| Passing score | 52.8 |
| Quiz took | 13 min 09 sec |
| Quiz finished at | 2023-12-16 22:29:10 |
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
For nuclear fusion, we would require
In the gold film experiment, most of the alpha particles went straight through because atoms are
This can be used to kill cancer cells
A beta particle is
A _________ can be used to detect nuclear radiation.
______ is the most ionising
The gold leaf experiment was conducted by
_______ orbit the nucleus
Radiation dose is commonly measured in
This subatomic particle has a negative charge
______ is the least penetrating
______ is the least ionising
This can be used to make food last longer
Nuclear fission can result in ________ reactions
Gamma radiation is
Atoms are mostly
Which of the following is NOT commonly caused by radiation sickness?
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
_________ is the rate at which a source of unstable nuclei decays.
A proton has a relative mass of
____________ is temporary exposure to radiation.
Activity is measured in
A nuclear weapon is made from nuclear
In nuclear fission, energy is often converted into electricity by
How many protons does a {}_{14}{}^{30}Si atom have?
Nuclear _________ is carried out on Earth in power plants
This can be used to ensure the thickness of paper is correct
A neutron has a relative mass of
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
Isotopes have different numbers of
{}_{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
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
__________ came up with the plum pudding model for the atom
The sun makes its energy from nuclear
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
What atomic number does a {}_{14}{}^{30}Si atom have?
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
This can be used to sterilise surgical equipment
This subatomic particle has a positive charge
An alpha particle is
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
This subatomic particle has a negligible mass
Why was gold used by Rutherford and Marsden?
This can be used in smoke alarms
Fusion is the _________ of atoms
A nuclear weapon is made from uncontrolled
Fission is the ________ of atoms
In the gold leaf experiment, _________ were fired at gold foil
This subatomic particle has a neutral charge
Consider nuclear fission equations. How many products are greenhouse gases?
______ 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 ________
Which of these is not a common source of background radiation
In nuclear fission, energy is often carried away by ________
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
How many neutrons does a {}_{14}{}^{30}Si atom have?
Which of these was shot at gold film in a famous experiment?
How many electrons does a {}_{14}{}^{30}Si atom have?
Which of these is not a common source of background radiation