| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | PASSED |
| Score | 61 / 66 (92.4%) |
| Passing score | 52.8 |
| Quiz took | 7 min 23 sec |
| Quiz finished at | 2023-05-30 07:48:15 |
This can be used to ensure the thickness of paper is correct
______ is the most penetrating
The sun makes its energy from nuclear
In the gold film experiment, most of the alpha particles went straight through because atoms are
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
Activity is measured in
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
How many protons does a {}_{14}{}^{30}Si atom have?
Isotopes have different numbers of
A neutron has a relative mass of
Which of these was shot at gold film in a famous experiment?
Which of the following requires thick lead of several metres of concrete to block it?
A nuclear weapon is made from uncontrolled
Which of these is not a common source of background radiation
Which of these is not a common source of background radiation
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
This can be used to kill cancer cells
Why was gold used by Rutherford and Marsden?
______ is the least ionising
Isotopes have the same numbers of
This can be used to make food last longer
In the gold leaf experiment, _________ were fired at gold foil
This can be used in smoke alarms
Nuclear fission can result in ________ reactions
____________ is temporary exposure to radiation.
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
Radiation dose is commonly measured in
Fusion is the _________ of atoms
______ is the least penetrating
A proton has a relative mass of
This subatomic particle has a negative charge
A beta particle is
_________ is the rate at which a source of unstable nuclei decays.
In nuclear fission, energy is often carried away by ________
Atoms become positively charged particles called positive ions when they lose ________
The gold leaf experiment was conducted by
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
Atoms are mostly
{}_{88}{}^{222}Ra \to {}_{86}{}^{}Rn + {}_{2}{}^{4}He What is the missing mass number in the equation above?
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
Gamma radiation is
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
What is the mass number of a {}_{14}{}^{30}Si atom?
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
An alpha particle is
This subatomic particle has a positive charge
A _________ can be used to detect nuclear radiation.
_______ orbit the nucleus
A nuclear weapon is made from nuclear
Consider nuclear fission equations. How many products are greenhouse gases?
This subatomic particle has a neutral charge
For nuclear fusion, we would require
Nuclear _________ is carried out on Earth in power plants
What atomic number does a {}_{14}{}^{30}Si atom have?
How many electrons does a {}_{14}{}^{30}Si atom have?
__________ came up with the plum pudding model for the atom
Fission is the ________ of atoms
This can be used to sterilise surgical equipment
Which of the following is NOT commonly caused by radiation sickness?
______ is the most ionising
How many neutrons does a {}_{14}{}^{30}Si atom have?
This subatomic particle has a negligible mass
In nuclear fission, energy is often converted into electricity by
_______ showed that electrons had to orbit a positive nucleus in energy levels