| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | PASSED |
| Score | 53 / 66 (80.3%) |
| Passing score | 52.8 |
| Quiz took | 15 min 55 sec |
| Quiz finished at | 2023-02-21 20:59:59 |
An alpha particle is
A beta particle is
Gamma radiation is
The gold leaf experiment was conducted by
Fission is the ________ of atoms
How many protons does a {}_{14}{}^{30}Si atom have?
Nuclear fission can result in ________ reactions
For nuclear fusion, we would require
______ is the least penetrating
A nuclear weapon is made from uncontrolled
Atoms become positively charged particles called positive ions when they lose ________
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
Which of these is not a common source of background radiation
{}_{}{}^{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?
This can be used in smoke alarms
This can be used to make food last longer
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?
_______ 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 neutral charge
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
This subatomic particle has a negligible mass
Which of these is not a common source of background radiation
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
_________ is the rate at which a source of unstable nuclei decays.
Which of the following requires thick lead of several metres of concrete to block it?
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
This can be used to sterilise surgical equipment
Isotopes have the same numbers of
This can be used to kill cancer cells
Fusion is the _________ of atoms
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
In nuclear fission, energy is often converted into electricity by
A nuclear weapon is made from nuclear
A _________ can be used to detect nuclear radiation.
Isotopes have different numbers of
In nuclear fission, energy is often carried away by ________
______ is the least ionising
What atomic number does a {}_{14}{}^{30}Si atom have?
Nuclear _________ is carried out on Earth in power plants
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
Atoms are mostly
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
______ is the most ionising
The sun makes its energy from nuclear
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
This subatomic particle has a positive charge
_______ orbit the nucleus
A proton has a relative mass of
Why was gold used by Rutherford and Marsden?
____________ is temporary exposure to radiation.
_______ showed that electrons had to orbit a positive nucleus in energy levels
__________ came up with the plum pudding model for the atom
How many neutrons does a {}_{14}{}^{30}Si atom have?
This can be used to ensure the thickness of paper is correct
Which of these was shot at gold film in a famous experiment?
This subatomic particle has a negative charge
Radiation dose is commonly measured in
What is the mass number of a {}_{14}{}^{30}Si atom?
______ is the most penetrating
Which of the following is NOT commonly caused by radiation sickness?
Activity is measured in
In the gold leaf experiment, _________ were fired at gold foil
A neutron has a relative mass of