Download Semester Exam Review Guide

2015 – 2016 Semester Exam Review
Due: 1/12/16
Name:
Date:
Mod:
Science words of the week (Quizlet):
atoms
electron
proton
neutron
neucleus
atomic mass
atomic number
Aristotle / Democritus
Mendeleev
John Dalton
Rutherford
Thompson
Analyze
Conclusion
Classification
Inferences
Observations (qualitative / quantitative)
Experimental data
Hypothesis
Theory
Law
Fact
Opinion
Control
Independent variable (manipulated)
Dependent variable (response)
Accuracy
Precision
Tidal Volume
Vital Capacity
Oxidation
Cation
Anion
atomic mass units (A.M.U)
mass number
atomic number
atomic theory
volume
density
mass / weight
mantissa
scientific notation
significant figures
element
compound
molecule
Lewis Dot Structures
electron configurations
valence electrons
Bohr’s model / electron cloud model
reactants
products
displacement method (to find volume)
isotope
Chemistry fill in.
1. Group 16 elements have _____ valence electron(s) and a _____oxidation charge.
2. Alkaline Earth Metals have _____ valence electron(s) and a _____ oxidation charge.
3. Helium has _____ electrons and _____ neutrons.
4. Ca2+ has _____protons and _____electrons.
5. Flourine has an atomic mass of _____ and _____protons.
6) 7Ba(NO3)2 Molecules:_____
Ba-_____
N-_____
O-_____
7) 5Ba(NO3)2 + 4H2O
Ba-_____
N-_____
O-_____
H-_____
8-10) 3Al + 2NaOH + H2O --------> 2NaAl(OH)4 + 6H2
Al-_____
Al-_____
Na-_____
Na-_____
O-_____
O-_____
H-_____
H-_____
Balanced? Y
N
Create Lewis Dot Structures for the following elements:
11.
12.
Ca
Xe
Make Electron Configurations for the following elements:
13. Cl_______________
14. K_______________
Find the oxidation number, charge and state for the following elements:
15.
Oxygen__________
Calcium__________
Hydrogen__________
Iodine__________
Find molecular weights for the following:
CO2
H2O
CH4
Draw a Bohr’s Model of the following atoms:
Be
Al
IONS:
C4+
Protons:
Electrons:
FProtons:
Electrons:
Chemisty Practice Multiple Choice
16. The atomic radius increases when going down a family because
a. valence electrons are increasing
b. the total number of protons, electrons, and neutrons is increasing
c. electrons are repelling from each other in the valence shell
d. elements are becoming very reactive
17. The atomic mass number is equal to the number of
a. protons
b. neutrons
c. protons and neutrons
d. protons and electrons
18. Which of the statement about the periodic table is true:
a. elements are arranged by atomic number.
b. metallic elements are placed on the right-hand side.
c. elements in the same group have the same number of valence electrons.
d. both a and c.
19. __________ brought back the concept of the atom in the_____century.
a. Bernoulli, 18th.
b. Boyle, 17th.
c. Aristotle, 16th.
d. Dalton, 18th.
20. Comparing the two atomic models, the electron cloud model
a. shows electrons in orbits similar to planets
b. shows regions where electrons can be found
c. shows probable areas where electrons are more likely to be located
d. both b and c
21. The following model is a representation of the
a. Electron cloud model
b. Bohr’s model
c. Democritus model
d. John Dalton model
22. The p region of the electron cloud can hold a total of _____ electrons.
a. 10
b. 2
c. 6
d. 14
23. _____ created The Atomic Theory in the mid 1800’s.
a. Mr. Palmer
b. Puffy Combs
c. John Dalton
d. Robert Boyle
24. Plasmas include all of the following except:
a. ionized gases
b. lava
c. lightning
d. stars
26. If the mass of a steel bolt is 4.0 grams and its volume is 2 milliliters, what is the bolt’s density?
a. 2 ml / g
b. 2 g / ml
c. .5 g / ml
d. 8 ml / g
27. How many Hydrogen atoms are in the following chemical unit: 5HN2(OH)2
a. 10
b. 5
c. 15
d. 7
Other concepts on Exam:
Compare inference vs observation
_______________________________________________________________________
_______________________________________________________________________
qualitative vs quantitative observations
_______________________________________________________________________
_______________________________________________________________________
Metric Units Benefits of using the metric system in the United States.
_______________________________________________________________________
_______________________________________________________________________
– Identify which units of measurement would be the most suitable for
certain measurements.
***Know which units of measurements are standard for mass:_____, volume:_____, area:_____,
time:_____, distance:_____, temperature:_____.
Know how to transfer between units- how can you remember this? King….
____________________________________________________
Numerically define the following:
Kilo______ Hecto_____ deca_____ Deci_____ Centi_____ Millli_____
Examples:
10 km _____ cm
680 cm _____hm
45ml ____dal
16 dag _____cg
Know factor label method. Ex: 12.9 mi_____km, 265lbs_____kg
Calculations – know how to solve to find density, body surface area, concentration.
Ex: M=10g, V=5ml D=_____ D= .7g/ml M=1.6g V=_____ V=12ml D=.5g/ml
M=_____
Scientific Notation- know how to multiply and divide numbers using scientific notation.
3,000,000.0=_______________
0.0000000435=_______________
1.5 x 105 = _______________
8.23 x 10 -8=
_______________
(1.5x103)(3.5x105)= _______________4.0x105/ 1.0x10-3= _______________
Significant Figures- the digits in a measurement that are known with certainty
3,384.00=_______________
0.0000000435=_______________
1.53 x 105 = _______________
08.23 x 10 -8=
32.0 x 1456 =_____
15 x 61.8=_____
_______________
Five steps of the scientific method:
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
_______________________________________________________________________
In order to receive bonus on the semester exam, this review guide must be
completed and signed by a parent or guardian.
Parent / Guardian Signature:___________________________________