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Second quarter review - Phy Sci Flashcards | StudBud
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Second quarter review - Phy Sci
Second quarter review - Phy Sci
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Periodic Table review #periodictable #elements #chemistry #atoms #electrons #atomictheory
Flashcards
56 cards
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Questions
56
Answers
1
What type of chemical reaction has the general form C
x
H
y
+ O
2
--> CO
2
+ H
2
O?
Double displacement
Decomposition
Combustion
Single displacement
2
The columns on the periodic table are called what?
groups
metals
periods
halogens
3
When electrons are transferred from metals to nonmetals forming ions, what type of bond is made
Ionic
Covalent
Metallic
4
Which group of elements generally do NOT form compound?
Alkali metals
Halogens
Coinage metals
Noble gases
5
To classify a solution as an acid, what must its pH be?
Greater than 7
0-14
Less than or equal to 7
Less than 7 only
6
What is the name of a substance that changes color when an acid or a base is present?
Indicator
Bleach
Food coloring
Kool-aid
7
Elements in group 17 have how many valence electrons (dots)?
5
17
6
7
8
The nucleus of an atom is composed of what?
electrons + protons
neutrons + electrons
protons only
protons + neutrons
9
What type of substances conduct an electric current under certain conditions?
Batteries
Plastics
Semiconductors
Diamonds
10
What is the main source for all energy on Earth come from?
The sun/solar energy
The earth itself, like volcanos
McDonald's and other "dead organisms"
Fossil fuels burning/combusting
11
An individual unit of a covalently/molecularly bound compound is called what?
formula unit
ion
electron cloud
molecule
12
What type of solution has an equal amount of hydrogen ions, H
+
, and hydroxide ions, OH
-
?
Acidic
Neutral
Titration
Basic
13
What is the name of the area in the atom where electrons are found?
electron housing
electron cloud
electron nucleus
electron's crib
14
Which of the following substances would form a polar molecule, unequal sharing?
S-S
Cl-Cl
H-H
H-F
15
What type of compound is dihydrogen monoxide, H
2
O?
Covalent
Metallic
Poisonous
Ionic
16
Which of the following is NOT a characteristic of a metal?
shiny
malleable
dull in appearance
ductile
17
What is the name of the compound SiO
2
?
Monosilicon dioxygen
Silicon dioxygen
Silicon dioxide
Silicon oxygen
18
These elements have both metallic and non-metallic properties.
Noble Gases
Metalloids
Lanthanides
Halogens
19
The simplest unit of an ionically bound compound is called what?
formula unit
ion
molecule
electron cloud
20
Which group is the most reactive set of nonmetals and has 7 valence electrons?
alkali metals
noble gases
halogens
transition metals
21
What type of solution has more hydronium ions, H
3
O
+
, in solution than hydroxide ions, OH
-
?
Bases
Neutrals
Titrations
Acids
22
What is NOT a physical property of an acid?
corrodes metals
dangerous to touch
slippery to the touch
sour tasting
23
What law is satisfied when you balance a chemical equation?
Law of Conservation of Energy
Newton's Laws
Law of Averages
Law of Conservation of Mass
24
What type of compound is made of a metal and a nonmetal?
Ionic
Metallic
Covalent
25
What do antacids, like Tums, contain that would neutralize the stomach acid?
hydronium ions
acids
hydrogen ions
bases
26
Which elements are found in the "center" of the periodic table in Groups 3 to 12?
Noble Gases
Alkali Metals
Halogens
Transition Metals
27
What does a neutralization reaction between an acid and a base form?
Both water and a "salt"
Salt
An explosion
Water
28
What is found on the right of the arrow in a chemical equation?
reactants
catalyst
products
29
What is a reactant in the following equation: NaOH + HCl --> H
2
O + NaCl?
H2O
NaCl
HCl
NaOH
30
The carbon isotope, C-14, has how many neutrons?
8
12
6
14
31
Which of the following is NOT a characteristic of a nonmetal?
brittle
dull in appearance
many are gases
good conductor of electricity
32
What type of solution releases hydroxide ions, OH
-
?
Neutral
Basic
Titration
Acidic
33
What type of elements are brittle, poor conductors and dull in appearance called?
metals
synthetic
metalloids
nonmetals
34
What type of compound is made of two or more nonmetals?
Metallic
Covalent
Ionic
35
Which metal is NOT a solid at room temperature?
aluminum
gold
lead
mercury
36
How does the name of the nonmetal element change when it is in an ionic compound?
The name ALWAYS adds the word "acid" to the end of it.
The name ALWAYS has a number prefix at the beginning.
The name doesn't change. Don't be silly.
The name ALWAYS changes to an -ide ending.
37
What type of compound has the electrons shared between elements?
Ionic
Metallic
Covalent
38
An isotope has a different number of what?
electrons
protons
neutrons
39
Unequal sharing of electrons in a covalent bond forms what?
A nonpolar molecule
A polar molecule
An ion
An unhappy element relationship.
40
What MUST a polyatomic ion contain?
Only more than one type of element
One type of element with a charge
Only one type of element
More than one type of element with a charge
41
The atomic number on the periodic table represents what?
number of protons
number of neutrons
number of electrons
weight of atoms
42
What contains a list of the elements in a compound with their quantity?
The periodic table
The atlas
A chemical formula
A chemical equation
43
What is a 1 to 3 letter representation of the name of an element called?
chemical reaction
chemical formula
chemical symbol
chemical equation
44
How does the name of a metal in an ionic compound change?
It ALWAYS has a number prefix before it.
It stays the SAME. Don't be silly.
It ALWAYS changes the ending to "ide".
It ALWAYS has the word "acid" after it.
45
What is the range of values of the pH scale?
Less than 7
Greater than 7
1-14
0-14
46
Which of the following is NOT a metal?
Sodium
Aluminum
Sulfur
Iron
47
The electron cloud surrounding the nucleus is divided into areas called what?
energy regions
energy levels
energy countries
energy sub-clouds
48
What is the name of the second column on the periodic table?
alkali metals
noble gases
halogens
alkaline earth metals
49
What type of chemical reaction has the following general form? A + B --> AB
Decomposition
Single Displacement
Synthesis
Combustion
50
How many neutrons does oxygen have?
2
16
8
7
51
What is found on the left of the arrow in a chemical reaction?
catalyst
products
reactants
52
What type of chemical reaction has the general form AB --> A + B?
Single displacement
Combustion
Synthesis
Decomposition
53
Which of the following substances releases a hydrogen ion, H
+
, in solution?
Titrations
Acids
Bases
Neutrals
54
What is the name of group 18 on the periodic table?
Halogens
Alkali metals
Noble gases
Transition metals
55
The rows on the periodic table are called what?
noble gases
groups
periods
alkali metals
56
What type of chemical reaction has the general form AB + CD --> AD + CB?
Decomposition
Double displacement
Single displacement
Combustion
