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WorksheetsChemistry Lesson
Total questions: 11
Worksheet time: 9mins
Definition of Chemistry
the complex emotional or psychological interaction between two people.
the scientific study of the matter and structure of substances and the way they react with other substances
it is an experimental science and its principles supported by evidence from facts.
Is the study of chemical changes and reation occuring in living things?
Chemistry
inorganic chemistry
physical chemistry
biochemistry
A (a) is matter that contains only one type of atom or molecule
Atom
Give an example of heterogeneous mixture
Mixture in which the components that make up the mixture are uniformly distributed throughout the mixture.
Substance
Mixture
hetegeneous mixture
homogeneous mixture
Examples of Elements
H2O
H, K, Ag, THX
Xe, Ne, K, Ca
BTW, C, Mg,Na
Group composed by Hydrogen and Alkali Metals.
Group 3
Group 5
Group 2
Group 1
Group 8: Alkaline Earth Metals
Group 3-12: Transition Metals
Group 6
Group 8: Noble Gases
Group 17: Halogens.
It is a pure substance that cannot be decomposed into simpler substances by ordinary chemical processes.
Atom
Element
Mixture
Molecule
