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Grade 11 Chem review Flashcards | StudBud
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Grade 11 Chem review
Grade 11 Chem review
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1
A standered solution that is stored and keeps its original concentration is called a
Standard sample
Sample
Stock solution
Base solution
2
If their is still lithium left over after a chemical reaction then it must be the
Limiting regent
Excess regent
3
To test if a solution is saturated you should
Add pressure
Pour more in
Pour some out
Heat it up
4
A solvent is the component of the solution in the lowest amount
True
False
5
Which of these is an example of an ionic bond
N + Br
F + Mg
K + Fe
S + Pb
6
Which of these is not an acid
Glass cleaner
Soft drink
Vinegar
Dairy products
7
Most of all natural/ man made chemicals are in the form of
Compounds
Elements
Chemicals
Pairs
8
The value of the constant R is
8.31
9.34
7.32
9.76
9
What kind of crystal is being shown
Body centred
Simple cubic
Face centred
10
Polarity of molecules depends on
Shape and type of atom
Size and shape of atom
Size and type of atom
Type of atom and atomic radius
11
What is the name of this shape and its degree
Tetrahydral (109.5)
3-D pyramid (100)
Tetrahedral (109.5)
Triangle based pyramid (108.9)
12
If something is located at a 9 on the pH scale it is
Weak acid
Strong acid
Weak base
Strong base
13
A chemical reaction is a reaction involving the _________ of atoms
Rearrangement
Collision
Mixing
Breaking down
14
Concentration is the amount of solute per unit of solvent
False
True
15
Which of the following statments is true about isotopes
An isotope is the radioactive version of an element
A version of an element with a different atomic number
Two forms of the same element with different masses
Electron numbers are not equal between isotopes
16
Empiracle formula is
An equation for finding electronegativity
A ratio
An equation used for finding electron mass
How many you actually have
17
What is the prefix for an oxegyn-oxegyn bond that occurs in the center of a compound ex. HOOH
Hydroxide
Monoxide
Peroxide
Dioxide
18
An electron has a charge of
+1
-1
No charge
19
the relative strength that an atom has to pull towards its nucleus is called
Atomic radius
Electron affinity
Electronegative
Ionization energy
20
Which of these is factor effecting solubility
Ion charge
Stirring
Colour
Surface area
21
Which one of these means less 1 less oxygen
dichromite
hyponitrite
chlorate
persulphate
22
What law is this:
Law of producing reactants
Law of chemical reactions
Law of conservation of particles
Law of conservation of mass
23
A dilute acid/base has a low number of moles/litre
False
True
24
The Bronsted Lowry theory states that an acid is a substance that Hydrogen can not be removed
False
True
25
Which of these is not a factor that affects rate of dissolving
Surface area
Pressure
Higher temperature
Shaking
26
Which of these is NOT a main type of bonding
Molecular/covalent
Radioactive
Metallic
Ionic
27
KMT stands for what in the gases unit
Kalvin mass theory
Kinetic mass theory
Kalvin Mass Temperature
Kinetic molecular theory
28
Which of the following is Charles law
V1/T1 = V2/T2
P1T1 = P2T2
P1V1 = P2V2
P1/T1 = P2/T2
29
Bonding involves the change of position of the
Outer protons
Nuculus
Outer electrons
Inner neutrons
