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IPC Final Exam Review (part 1) Flashcards | StudBud
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IPC Final Exam Review (part 1)
IPC Final Exam Review (part 1)
15 terms
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StudBud Administration
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Periodic Table, Quantum Phenomena, Moles, Chemical Reactions
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
When the following reaction is
balanced
, what number is placed before the
NH
3
?
1
6
2
3
2
Which of the following could represent a
synthesis
reaction?
element + element = compound
element + compound = element + compound
compound = element + element
compound + compound = compound + compound
3
Moving electrons are found to exhibit properties of...
waves only
neither particles nor waves
both particles and waves
particles only
4
What is the molar mass of barium carbonate, BaCO
3
?
314 g/mol
197 g/mol
165 g/mol
495 g/mol
5
A mole is equal to...
6 grams of Li
12 grams of C
12 grams of Mg
6 grams of C
6
Which of the following is evidence that a
chemical change
has occurred?
change in size
change in shape
energy change
phase change
7
Which is a
product
in the following chemical reaction?
Ca(s)
Ca(OH)2(aq)
H2O(l)
H2(l)
8
Which category of elements has the properties of being shiny and malleable (bends)?
metals
gases
nonmetals
metalloids
9
What kind of charge does an electron have?
variable
no charge
negative
positive
10
Which one of the following factors would NOT speed up a chemical reaction?
increasing the concentration of a reactant
adding a catalyst
raising the temperature
making the reactant particles larger
11
Elements emit light when an electron returns to its_______ state.
excited
Texas
ground
simple
12
What type of reaction is below?
decomposition
combustion
synthesis
single displacement
13
Elements that are in the same _____ have the same number of valence electrons.
period
metal
group
nonmetal
14
An atom that contains 15 protons and 16 neutrons is...
silicon
phosphorus
sulfur
chlorine
15
A mole is equal to...
3.00 x 108 atoms
6.626 x 10-34 atoms
1.0 x 10-14 atoms
6.022 x 1023 atoms
