Review for semester 1 final exam 1.What are 2 topics that you are confident in for the exam? 2.What...
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CATALYST •Review for semester 1 final exam 1.What are 2 topics that you are confident in for the exam? 2.What are 2 topics that you still need to study OBJECTIVES DATE: 01/23/2015
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Transcript of Review for semester 1 final exam 1.What are 2 topics that you are confident in for the exam? 2.What...
CATALYST
• Review for semester 1 final exam
1. What are 2 topics that you are confident in for the exam?
2. What are 2 topics that you still need to study for the exam?
OBJECTIVES
DATE: 01/23/2015
Subatomic particles
Ions & Isotopes Density Atomic
structureMiscellaneou
s
100 100 100 100 100
200 200 200 200 200
300 300 300 300 300
400 400 400 400 400
500 500 500 500 500
Jeopardy Trash Ball
Subatomic Particles : 100
Where are neutrons located?
Back
Answer: In the nucleus
Back
Which subatomic particle has virtually NO mass?
Answer: Electrons
Subatomic Particles : 200
Back
Which subatomic particles make up most of an atom’s
mass?
Answer: The protons & neutrons
Subatomic Particles : 300
Back
Which particle is a proton attracted to?
Answer: an electron.
Subatomic Particles : 400
Back
As an electron gets further away from the nucleus, what happens to
the coulombic attraction?Answer: The coulombic attraction
decreases
Subatomic Particles : 500
Back
How is the mass number of an atom determined?
ANSWER: Add the number of Protons & Neutrons
Ions & Isotopes : 100
Back
Why is the average atomic mass
not a whole number ?Answer: It is a WEIGHTED average
of all the isotopes of that element
Ions & Isotopes : 200
Back
If 1 proton were added to a helium atom, what would we name it?
Answer: lithium
Ions & Isotopes : 300
Back
If an element has 17 protons and 18 electrons, will it be a
cation or an anion?
Answer: anion (Cl-)
Ions & Isotopes : 400
Back
If an atom has…
atomic number of 11
mass number of 22
how many neutrons does it have?
Answer: 11 neutrons
Ions & Isotopes : 500
Back
What is the formula for density?
Answer: D=M/V
Density : 100
Back
What is the formula to solve for mass if you know
volume and density?Answer: M= V * D
Density : 200
Back
What is the volume of a cube that is 3cm on each
side?Answer: 27 cm3
Density : 300
Back
Which is more dense:
5 ml of water or 10 ml of water?
Answer: They have the same density
Density : 400
Back
A cube has a mass of 10 kg and a volume of 5 cm3.
What is its density?
Answer: 2000 g/cm3
Density : 500
Back
Where do we find electrons in an atom?
Answer: In the electron cloud
Atomic Structure : 100
Back
What did Rutherford’s gold foil experiment
discover about atoms?Answer: Atoms are mostly made
up of empty space.
Atomic Structure : 200
Back
How does an electron go from ground state to
excited state?Answer: The electron has to
absorb energy.
Atomic Structure : 300
Back
What causes an atom to emit a colored light wave?
Answer: An electron jumps from the excited state to the ground
state.
Atomic Structure : 400
What force keeps the atom together?
Answer:
Coulombic Attraction
Back
Atomic Structure : 500
Back
20,000 mm = _____m ?
Answer: 20 meters
Miscellaneous : 100
Back
Convert to scientific notation: 34,000
Answer: 3.4 x
Miscellaneous : 200
Back
What is mass?
Answer: The amount of matter in a substance
Miscellaneous : 300
Answer:Independent = variable that the scientist is
manipulatingDependent = variable that depends on the
independent variable.
Back
Define independent and dependent variables.
Miscellaneous : 400
Back
What are the two equations
that relate wavelength,
frequency, and energy?
Answer: E = hv and c = 𝝀v
Miscellaneous : 500
