stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
SPRING SEMESTER ASSESSMENT REVIEW 2015 Flashcards | StudBud
Explore
/
SPRING SEMESTER ASSESSMENT REVIEW 2015
SPRING SEMESTER ASSESSMENT REVIEW 2015
40 terms
·
StudBud Administration
·
361 plays
REV
Flashcards
40 cards
F
Practice quiz
P
Host live
L
Questions
40
Answers
1
Density is defined as-
the amount of mass in a given volume
the amount of volume to a certain shape
the length of a certain mass
the shape of a certain mass
2
According to the table, what can be concluded about these two reactions?
Test tube A is endothermic, test tube B is exothermic
Test tube A is exothermic; test tube B is endothermic
Both reactions are endothermic
Both reactions are exothermic
3
A banana browning in the air is an example of:
a physical change
energy being released
a chemical change
a change of state
4
How does heat energy from the sun reach the Earth?
by conduction through the oceans
by radiation through space
by convection currents
during periods of sublimation
5
Chemical reactions that absorb heat are called--
exothermic
endothermic
homogeneous
heterogeneous
6
Why would a metal buckle on a seat belt burn a driver's hand after sitting in the hot sun?
The buckle transferred thermal energy to the driver's hand
The driver's hand transferred thermal energy to the buckle
The sun transferred thermal energy to the car
Thermal energy was transformed into chemical energy
7
Carbon dioxide has 1 carbon atom and 2 oxygen atoms. How is carbon dioxide classified?
A solution
An element
A mixture
A compound
8
The ___ states that the particles of any substance are always in motion.
Law of conservation of Energy
Law of Conservation of Mass
Kinetic Molecular Theory
Newton's First Law of Motion
9
Which of the following will speed up the dissolving of a solid solute in water?
grind up the solvent
cool the solution
freeze the solute
heat the solution
10
An unstable nucleus ___ when it undergoes fission.
splits into 2 new neuclei
shrinks
combines with another nucleus
the atom grows
11
What type of decay is taking place in the equation below?
alpha decay
X-ray emission
beta decay
gamma ray emission
12
What is the oxidation number for lithium?
+1
+2
-2
-1
13
What is the element symbol for calcium?
CA
Ca2
Ca
14
What is the name of this element?
Calcinium
This element is not even on the periodic table!
Calcium
Calcutta
15
A rock has a density of 8 g/ml. If the rock's mass is 2 g, what is the rock's volume? D=M/V
16 ml
25 ml
2.5 ml
0.25 ml
16
Which of the following equations follows the conservation of mass?
C + O2--->2CO
2K + Cl2---> 2KCl
2Fe + 3O2--->Fe2O3
2H2 + O2--->2H2O2
17
Matter that has a definite volume and a definite shape is a--
liquid
gas
plasma
solid
18
Which of the following is an example of physical change?
mixing baking soda & vinegar together, bubbles & foam form
baking a birthday cake for your mother
lighting a piece of paper on fire, it burns up & forms ashes
a glass cup falls from a counter & shatters on the floor
19
What changes between different isotopes of the same element?
The protons
The electrons
The neutrons
The atomic number
20
The number 20 for the element calcium represents--
the number of electrons
the number of neutrons
the atomic mass
the atomic number
21
What is the mass for the element calcium?
2
4
20
40
22
Read the information given in relation to the table and determine which statement is correct.
The temperature falls faster in the glass container
Glass is a conductor
Aluminum is a better heat insulator
The temperature falls faster in the aluminum container
23
The three types of nuclear radiation in increasing order of penetrating power are-
Alpha, Gamma, Beta
X-ray,Beta, Gamma
Alpha, Beta, Gamma
X-ray, Gamma, Beta
24
Thorium-234 has a half-life of 24 days. Read the information below and solve.
50g
100g
25g
10g
25
Sulfur dioxide, produced by burning fossil fuels, enters the atmosphere to produce-
Forest fires
Acid rain
Algae in ponds & lakes
Global warming
26
Lithium is a metal & hydrogen is a nonmetal. How is hydrogen & lithium similar?
both atoms have one electron in its outer shell
both atoms have 3 electrons
both atoms have 3 protons
both atoms have 3 electons
27
How many neutrons are there in Calcium-20?
2
40
60
20
28
Observe the atoms below. Which atom correctly labels the protons, neutrons, & electrons?
Atom B
Atom D
Atom A
Atom C
29
Which diagram illustrates the correct electron dot diagram for sulfur?
Choice C
Choice B
Choice A
30
The bonding characteristics of Sodium (Na) are most similar to --
Oxygen (O)
Magnesium (Mg)
Potassium (K)
Chlorine (Cl)
31
The characteristic of water that allows it to dissolve many substances is--
it has a high specific heat
It is less dense in the solid phase
The water molecule is polar
Liquid water is clear
32
Study the chemical reaction below and determine how much Zn was part of the reaction.
40 g
256g
104 g
88 g
33
The chemical formula for magnesium sulfide is:
MgS
MgS2
Mg2S3
Mg2S
34
What are the correct coefficients needed to balance the following equation?
4,2,3
2,3,4
4,3,2
1,3,2
35
The particles in a solid move ___ when compared to a gas.
farther apart
slower
at the same speed
quicker
36
According the kinetic-molecular theory, particles of matter are in motion in:
solids, liquids & gases
gases only
gases & liquids only
solids only
37
The transfer of energy by the motion of heated particles in a fluid is called--
conduction
radiation
convection
collision
38
A carbon atom has 6 protons, 6 neutrons, and 6 electrons. What is the atomic number of carbon?
18
24
12
6
39
Which of the following is an example of chemical change?
your dog ripping up your homework
a plant collecting sunlight & turning it to food
taking a glass of water & freezing it in the freezer
filling up a balloon with air
40
The characteristics of water based on its structure, polarity and bonding abilities include:
the temperature of water rises & falls slowly
all of the choices are correct
water as a universal solvent
water molecules are cohesive
