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Honors Physical Science - Ch. 10 Flashcards | StudBud
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Honors Physical Science - Ch. 10
Honors Physical Science - Ch. 10
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the periodic table
Flashcards
28 cards
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Questions
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Answers
1
Ozone is a compound of which element?
oxygen
manganese
neon
fluorine
2
Except for He, how many dots do all noble gases have in dot notation?
2
1
7
8
3
What is the name commonly used for lights containing noble gases?
neon lights
halogen lights
alkaline lights
transition lights
4
The standard on which the atomic mass unit is based is the mass of a ...
neutron
proton
carbon-12 atom
chlorine-35 atom
5
Moving from left to right across the periodic table, what value increases by exactly one?
isotipe number
mass number
atomic mass
atomic number
6
Alkali metals have one valence electron, while alkaline earth have...
two
three
one
four
7
Which element is necessary for strong bones and teeth?
potassium
silicon
lithium
calcium
8
Atoms of the most reactive elements tend to have...
four or five valence electrons
no valence electrons
one or seven valence electrons
eight valence electrons
9
Copper sulfate is a compound containing copper, sulfur & oxygen. Which is the transition metal?
copper
oxygen
sulfur
10
Which element is the most reactive?
K
Li
Na
Cs
11
Mendeleev arranged the known elements in a table according to increasing ...
number of electrons
known mass at the time
number of protons
atomic number
12
The average atomic mass of an element is ...
a weighted average of the masses of the isotopes
two times the protons
the sum of the protons and electrons
a ratio based on the carbon-12 atom
13
Which of these elements is the most reactive?
I
Br
F
Cl
14
Elements that are highly reactive are found in nature as...
compounds
noble gases
single atoms
diatomic molecules
15
Which element is found in nature only in compounds?
helium
oxygen
sodium
nitrogen
16
Which halogen is most likely to react?
chlorine
bromine
fluorine
iodine
17
Which is NOT a classification used for elements?
metalloids
metals
liquids
non-metals
18
How many dots should Br have in dot notation?
4
6
7
5
19
What element is found in most of the compounds in your body?
potassium
iron
iodine
carbon
20
Who is credited with arranging the first useful periodic table?
Mendeleev
Thomson
Newton
Bohr
21
Which statement is NOT true about fluorine, chlorine & iodine?
they are similar to noble gases
they are all nonmetals
they react easily with metals
they are all halogens
22
What is the most abundant metal in Earth's crust?
aluminum
platinum
iron
silver
23
How many dots should Ca have in dot notation?
2
3
1
4
24
At room temperature, NONE of the metals are...
liquids
solids
malleable
gases
25
To keep them from reacting, elements may be stored in...
water
argon
sodium
potassium
26
The tendency of an element to react chemically is closely related to what?
alphabetical order
ratio of protons to neutrons
# of valence electrons
atomic mass
27
Sodium iodide is a compound made up of sodium and iodine. Which is the halogen?
iodine
sodium
28
As you move from left to right across a period, the number of valence electrons...
decreases
increases
increases, then decreases
remains constant
