What are the properties of gases?
- Gases can be compressed easily (into a small volume)
- Gases have very low densities. They are very, very light.
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How are the following pairs of atoms related?
8X16, 8X17, 18Y40, 20Z40,All In One - Science
How an element is represented using its mass number and atomic number. Give some examples.All In One - Science
List two difference between electron, proton, and neutron.All In One - Science
An element has mass number = 35 and atomic number = 17 find
(i) The number of neutrons in the element,
(ii) The number of electrons in the outermost shell.All In One - Science
Express the combining capacity (valency) of .All In One - Science