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Test 2 Review Integrated Science
Test 2 Review Integrated Science
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1
Good attendance, taking good notes, reviewing them, and reading the textbook are all great ways to prepare for the test!
True
False
2
If the isotope
6
14
C undergoes beta-plus decay, what is the result?
7 14N
5 13B
5 14B
6 14C
3
A homogeneous mixture of salt water is made up of 90% water and 10% salt. The salt is the _________.
salutation
solution
solvent
solute
4
Which model/theory of the atom incorporates the wave nature of the electron?
The plum pudding model
America's next top model
The Bohr model
The quantum theory
5
In a nuclear reaction the number of nucleons must increase.
True
False
6
What is diffraction?
a change in the direction of a wave as it passes through a new substance
a wave's returning to the medium it came from when it hits a barrier
a wave spreads out as it passes through a small opening
the separation of light into colors arranged by frequency
7
How many atoms total are in a molecule of TriNitrogen Dioxide?
6
3
2
5
8
Plutonium, Germanium and Einsteinium are named after what, respectively?
The planet Pluto, the country Germany, and Albert Einstein
Historical figures--Plutarch, Angela Merkel from Germany, and Einstein
Don't be silly, there's no Einsteinium
Similar to Hurricanes, there's an alphabetical system for naming elements
9
Some isotopes of the same element differ in their number of protons.
False
True
10
From left to right, the element families are named:
alkali metals, alkaline earth metals, halogens, noble gasses
alkaline earth metals, alkali metals, noble gasses, halogens
alkali metals, halogens, noble gasses, alkaline earth metals
noble gasses, alkaline earth metals, alkali metals, halogens
11
"The separation of light into colors arranged by frequency" defines which phenomenon?
refraction
diffraction
reflection
dispersion
12
Two atoms of the same element that have different numbers of neutrons
IwantahippopotamusforChristmas
isotopes
there is no fundamental difference between the atoms
ions
13
An ionic bond usually forms between a ______ and a ______. A covalent bond usually forms between a ______ and a ______.
non-metal, non-metal; metal, non-metal
metal, non-metal; non-metal, non-metal
metal, metal; non-metal, non-metal
metal-non-metal; metal, metal
14
All light travels at the same speed, regardless of color, frequency and wavelength.
False
True
15
In Beta-minus decay, an atom _______ a proton
loses
the number of protons remains the same
gains
16
Sound waves travel at the same speed, regardless of temperature, humidity, or wind conditions.
True
False
17
Ernest Rutherford discovered that the volume of an atom is mostly empty space. Where in the atom is this empty space?
You can't fool me, atoms are completely solid!
between the nucleus and the electrons
outside of the atom
within the nucleus
18
What is an example of a chemical change?
A change from hot chocolate to cold hot chocolate
a change from water and iron to rust
chemical bonds are formed or broken
A change from solid ice and liquid water
19
What is the difference between a covalent and ionic bond?
in both bonds, atoms share electrons
covalent= unshared electrons, ionic= shared electrons
atoms don't ever share electrons
covalent=shared electrons, ionic=unshared electrons
20
_________, elements in the 8th group, have a tendency to ________________.
Halogens, lose
Halogens, gain
Noble gasses, gain
Noble gasses, neither gain nor lose
21
What element is in the 2nd Period, in the 6th Group?
Ba (56)
Fe (26)
O (8)
Sm (62)
22
Nuclear fusion, a process our Sun uses to create energy, is defined as:
the nuclear reaction of 2 nuclei combining
the nuclear reaction of a nucleus splitting in 2 or more smaller nuclei
23
Thorium 234 has a half life of about 24 days. How much of a 32 gram sample of Thorium 234 will remain after 72 days?
72 grams
4 grams
0 grams
16 grams
24
True or false? Temperature does NOT affect solubility.
True
False
25
The number of valence electrons in the outer shell of a Chlorine atom is:
7
12
17
8
26
What is the name of a molecule that is positively charged at one end and negatively charged at another end?
magnetic molecule
ionic molecule
Gertrude
polar molecule
27
__________, elements in the 7th group, have a tendency to ______ electrons
Halogens, gain
Noble gasses, neither gain nor lose
Halogens, lose
Noble Gasses, gain
28
Which of the following atoms are most likely to form a covalent bond together?
Magnesium (Mg) and Chlorine (Cl)
Lithium (Li) and Flourine (F)
Nitrogen (N) and Oxygen (O)
Hydrogen (H) and Helium)
29
All waves carry
energy
light
inertia
sound
30
The order of radiation from most dangerous/smallest particles--> least dangerous/largest particles:
gamma, alpha, beta
They are all equally dangerous with equally sized particles
gamma, beta, alpha
alpha, beta, gamma
31
The Mass Number tells you the number of _______ in an atomic nucleus.
neutrons
protons + neutrons
electrons
protons
32
If four electrons are shared between two atoms (each atom contributes two, then a ______________ bond is formed.
single
triple
James
double
33
what is a photon?
a neutron
the energy of plants
a particle of light
a proton
34
What does the atomic NUMBER tell you about an atom of that element?
the number of protons + neutrons in an average atom of that element
the number of electrons in an atom
the number of protons in an atom
the number of neutrons in an atom
35
What is the electron dot notation for Carbon?
:C:
-C-
: C ::
:C-
36
What is the name of the chemical compound SO?
Sulfur Monoxide
Monosulfur monoxide
Oxygen monosulfide
Sulfous Oxide
37
the higher the frequency of a soundwave
the shorter its wavelength AND the higher its pitch
the shorter its wavelength
the longer its wavelength
the higher its pitch
38
True or false? Polarity does NOT have an affect on solubility?
True
False
39
Choose the structural formula for water (- represents a single covalent bond, and = represents a double covalent bond).
H-O-H
O=H-O
H=O-H
H=O=H
40
Name this compound: NaF
Sodium Monflouride
Sodium Ironide
Monosodium monflouride
Sodium Fluoride
41
The electron sublevels
s, p, d, f
can hold how many electrons (in that order)?
2, 4, 6, 8
2, 2, 6, 10
2, 6, 12, 16
2, 6, 10, 14
42
What kind of covalent bond exists whenSulfur(S) and Oxygen(O) covalently bond to become SO.
single covalent bond
double covalent bond
triple covalent bond
You can't fool me! Sulfur and oxygen would have an ionic bond!
43
If Iodine 123 (
53
123
I
) undergoes alpha decay, what will the resulting isotope be?
51 119Sb
53 123I
53 119I
55 127Cs
44
How many neutrons does the isotope 23Na contain?
23
11
13
12
45
According to the Bohr model of the atom, when does an electron emit a photon?
when it quantum jumps DOWN FROM a higher energy level
when it quantum jumps UP TO a higher energy level
46
visible light, ultraviolet light, X-rays and radio waves are all forms of what?
electricity
power
chemical waves
electromagnetic radiation
47
True or false? Saturation has an affect on solubility.
True
False
48
Different forms of electromagnetic radiation have different wavelengths and frequencies.
False
True
49
What would the Chemical Formula be if Magnesium (Mg) and Nitrogren (N) formed an IONIC bond?
Mg5N2
Mg2N3
Mg3N2
MgN
50
What is refraction?**
a change in the direction of a wave as it passes through a new substance
a wave spreads out as it passes through a small opening
a wave's returning to the medium it came from when it hits a barrier
the separation of light into colors arranged by frequency
51
What is the chemical formula for Magnesium Chloride?
MgCl2
MgCl
Mg2Cl2
Mg2Cl
52
An atom with that has gained or lost an electron
Iona, Idaho
ion
isotope
Isopropyl
53
What is resonance?
a note with exactly one overtone
Two objects simultaneously vibrating with the same natural frequency
a note without any overtones
when an object's natural frequency causes a sound wave to travel slower
54
ionic bonds
tend to be weaker than covalent bonds
form between metals and nonmetals AND tend to be weaker than covalent bonds
generally form between metals and nonmetals
don't exist
55
What is reflection?
the separation of light into colors arranged by frequency
a wave's returning to the medium it came from when it hits a barrier
a change in the direction of a wave as it passes through a new substance
a wave spreads out as it passes through a small opening
56
A solid has a definite ________ and ________.
mass, density
volume, shape
name, age
volume, mass
57
What is the chemical formula for Disulfur Dioxide?
SO2
S202
S20
2(SO)
