| Quiz | Developing the model of the atom |
|---|---|
| Name | |
| Result | PASSED |
| Score | 57 / 66 (86.4%) |
| Passing score | 52.8 |
| Quiz took | 13 min 05 sec |
| Quiz finished at | 2024-03-20 16:53:13 |
Nuclear _________ is carried out on Earth in power plants
A neutron has a relative mass of
Which of these is not a common source of background radiation
______ is the most penetrating
This subatomic particle has a neutral charge
Radioactive _________ is the unwanted presence of radioactive material on or inside other materials or human bodies.
How many electrons does a {}_{14}{}^{30}Si atom have?
Isotopes have the same numbers of
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?
_______ showed that electrons had to orbit a positive nucleus in energy levels
In nuclear fission, energy is often converted into electricity by
A beta particle is
__________ came up with the plum pudding model for the atom
______ is the most ionising
An electron will move from a lower to a higher orbit, if it ______ electromagnetic radiation
This can be used to make food last longer
A nuclear weapon is made from nuclear
Which of the following requires thick lead of several metres of concrete to block it?
What atomic number does a {}_{14}{}^{30}Si atom have?
This can be used to ensure the thickness of paper is correct
A nuclear weapon is made from uncontrolled
An electron will move from a higher to a lower orbit, if it ______ electromagnetic radiation
A _________ can be used to detect nuclear radiation.
Activity is measured in
Which of the following is NOT commonly caused by radiation sickness?
This can be used to sterilise surgical equipment
{}_{}{}^{131}I \to {}_{54}{}^{131}Xe + {}_{-1}{}^{0}e What is the missing atomic number in the equation above?
How many neutrons does a {}_{14}{}^{30}Si atom have?
Gamma radiation is
Atoms become positively charged particles called positive ions when they lose ________
Radiation dose is commonly measured in
In an atom the number of electrons is equal to the number of protons. There is _______ net charge on the atom.
Fusion is the _________ of atoms
What is the mass number of a {}_{14}{}^{30}Si atom?
This subatomic particle has a positive charge
A proton has a relative mass of
High doses of radiation can kills cells, so radiation can be used to kill cancer cells. This treatment is known as
Isotopes have different numbers of
_______ orbit the nucleus
This subatomic particle has a negative charge
____________ is temporary exposure to radiation.
Which of these was shot at gold film in a famous experiment?
Fission is the ________ of atoms
_______ is ionising radiation from an external radioactive source travelling to the body – it is not breathed in, eaten or drunk.
______ is the least penetrating
______ is the least ionising
The gold leaf experiment was conducted by
For nuclear fusion, we would require
This can be used to kill cancer cells
How many protons does a {}_{14}{}^{30}Si atom have?
An alpha particle is
____________ occurs when radioactive atoms get stuck onto objects or living organisms.
_________ is the rate at which a source of unstable nuclei decays.
In nuclear fission, energy is often carried away by ________
Atoms are mostly
_________ discovered that neutral particles called neutrons where found in the nucleus of an atom
Nuclear fission can result in ________ reactions
Why was gold used by Rutherford and Marsden?
This subatomic particle has a negligible mass
Which of these is not a common source of background radiation
This can be used in smoke alarms
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?
A mass has a half life of 20 minutes. Its initial count is 200 Bq. What is its count after one hour?
In the gold leaf experiment, _________ were fired at gold foil