Science-Ch.7. Part 2 Question Preview (ID: 44662)
Chemical Reactions.
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Archemedes' Principle helps to explain the relationship between ________________________.
a) kinetic energy and density
b) temperature and demsity
c) pressure and density
d) buoyancy and density
Pascal's Principle can be applied to ______________.
a) all states of matter
b) solids and gases only
c) solids and liquids only
d) any matter that can flow
All of the following are examples of physical properties EXCEPT _______________.
a) density
b) shape
c) color
d) ability to react with oxygen
All of the following are examples of physical changes except ______________.
a) melting
b) evaporating
c) burning
d) solidifying
Each substance written to the right of the arrow in a chemical equation is a __________________________.
a) reactant
b) product
c) precipitate
d) catalyst
What is the neutral particle that is formed when atoms share electrons?
a) caution
b) ionic compound
c) molecule
d) nucleus
Dot diagrams are used to represent ___________________.
a) protons
b) outer electrons
c) atomic mass
d) the structure of the nucleus
x
a) x
b) x
c) x
d) x
x
a) x
b) x
c) x
d) x
x
a) x
b) x
c) x
d) x
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