| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | FAILED |
| Score | 33 / 66 (50%) |
| Passing score | 52.8 |
| Quiz took | 44 min 30 sec |
| Quiz finished at | 2024-11-19 21:32:55 |
What is the mass number of a {}_{14}{}^{30}Si atom?
Atoms become positively charged particles called positive ions when they lose ________
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
Which of the following is NOT commonly caused by radiation sickness?
A nuclear weapon is made from uncontrolled
This can be used to kill cancer cells
In the gold film experiment, most of the alpha particles went straight through because atoms are
______ is the least penetrating
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
__________ came up with the plum pudding model for the atom
For nuclear fusion, we would require
The gold leaf experiment was conducted by
_______ showed that electrons had to orbit a positive nucleus in energy levels
An alpha particle is
This subatomic particle has a neutral charge
How many electrons does a {}_{14}{}^{30}Si atom have?
Atoms are mostly
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
A beta particle is
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
Isotopes have different numbers of
A _________ can be used to detect nuclear radiation.
A proton has a relative mass of
In nuclear fission, energy is often carried away by ________
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
Gamma radiation is
This subatomic particle has a negative charge
______ is the most ionising
The sun makes its energy from nuclear
How many neutrons does a {}_{14}{}^{30}Si atom have?
_________ is the rate at which a source of unstable nuclei decays.
This subatomic particle has a positive charge
Isotopes have the same numbers of
Nuclear fission can result in ________ reactions
______ is the least ionising
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
In nuclear fission, energy is often converted into electricity by
Which of these is not a common source of background radiation
A neutron has a relative mass of
_______ orbit the nucleus
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
Fusion is the _________ of atoms
Consider nuclear fission equations. How many products are greenhouse gases?
Which of the following requires thick lead of several metres of concrete to block it?
In the gold leaf experiment, _________ were fired at gold foil
A nuclear weapon is made from nuclear
Why was gold used by Rutherford and Marsden?
Fission is the ________ of atoms
Which of these is not a common source of background radiation
Which of these was shot at gold film in a famous experiment?
How many protons does a {}_{14}{}^{30}Si atom have?
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
This can be used to sterilise surgical equipment
What atomic number does a {}_{14}{}^{30}Si atom have?
This can be used in smoke alarms
____________ is temporary exposure to radiation.
Nuclear _________ is carried out on Earth in power plants
______ is the most penetrating
Activity is measured in
Radiation dose is commonly measured in
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
This can be used to ensure the thickness of paper is correct
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
This can be used to make food last longer
This subatomic particle has a negligible mass