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INTRODUCTION TO CHEMISTRY 5TH EDITION ACTUAL TEST PAPER QUESTIONS AND SOLUTIONS GRADED A+

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INTRODUCTION TO CHEMISTRY 5TH EDITION ACTUAL TEST PAPER QUESTIONS AND SOLUTIONS GRADED A+

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INTRODUCTION TO CHEMISTRY 5TH EDITION
ACTUAL TEST PAPER QUESTIONS AND
SOLUTIONS GRADED A+


◉ base.
Answer: solutions that have more (OH-) ions in water. Has a pH
greater than 7


◉ pH scale.
Answer: scale the goes from 0-14. Reads how many hydrogen ions
(H+) are in a solution.


◉ neutral.
Answer: ph of 7. Example pure water


◉ chemical reaction.
Answer: changing one set of chemicals into another set of chemicals
by breaking and forming bonds


◉ reactants.

, Answer: substances that react together to produce a new substance.
They have their bonds broken. Located on the left side of the
equation.


◉ products.
Answer: substances formed during a chemical reaction. This would
be what is created.
They have new bonds formed


◉ isotopes.
Answer: atoms of an element with different numbers of neutrons.
Ex. Carbon-14


◉ molecule.
Answer: a group of two or more atoms bonded together and having
no overall charge


◉ radioactive isotope.
Answer: An isotope (an atomic form of a chemical element) that is
unstable; the nucleus decays spontaneously, giving off detectable
particles and energy.


◉ radiation.

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