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SNC1W Chemistry Review Flashcards | StudBud
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SNC1W Chemistry Review
SNC1W Chemistry Review
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1
Which of the following is a list of characteristic physical properties?
density, melting point and freezing point
malleability, conductivity, and flammability
acidity, lustre, and viscosity
colour, boiling point, and reactivity
2
Which of the following groups of elements is the least reactive?
noble gases
alkaline earth metals
halogens
alkali metals
3
The identity of an element is determined by
the number of neutrons in the atom
the number of electron orbits in the atom
the number of protons in the atom
the mass of the atom
4
Compounds are made up of elements.
True
False
5
BeF
2
has a total of 3 atoms
True
False
6
The property of metals that allowed them to be hammered into thin sheets is
lustre
ductility
viscosity
malleability
7
Which of the following statements is true according to the particle theory of matter?
only particles of liquids and gases move
all particles of matter move
particles of matter never move
only particles of solid move
8
The outermost electron orbits of the noble gases all have
1 electron
2 electrons
7 electrons
the maximum number of electrons
9
Which of the following is an example of a solution?
juice
NO3
cereal
carbon
10
Ionic compounds consist of charged particles called ions.
False
True
11
In Bohr's atomic model, the first electron orbit holds a maximum of 8 electrons.
False
True
12
Compounds cannot be broken down into simpler substances.
True
False
13
An electron
carries a negative charge and is very small compared to the proton
carries a positive charge and is very small compared to the neutron
carries a negative charge and is located in the nucleus
carries no charge and orbits the nucleus
14
The atomic number tells us the number of
protons
electrons in the outermost orbit
protons and neutrons
neutrons
15
In a neutral atom, the number of electrons always equals the number of neutrons.
True
False
16
LiF is an example of a molecular compound
False
True
17
To determine the number of neutrons, subtract the mass number from the atomic number.
False
True