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WorksheetsMatter
Total questions: 2
Worksheet time: 50secs
Name
Class
Date
1.
What is an atom
a)
material substance that constitutes the observable universe and, together with energy, forms the basis of all objective phenomena.
b)
a word or phrase naming an attribute, added to or grammatically related to a noun to modify or describe it.
c)
a word (other than a pronoun) used to identify any of a class of people, places, or things
d)
the basic unit of a chemical element.
2.
What is a proton
a)
the basic unit of a chemical element.
b)
a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
c)
a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
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