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Atomic Structure & Periodic Table II
Atomic Structure & Periodic Table II
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#MPHS A review of atomic structure and the periodic table.
Flashcards
22 cards
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Questions
22
Answers
1
To become a negative ion, an atom must ____________.
gain electrons
gain protons
lose protons
lose electrons
2
Atoms of the same element that have a different number of neutrons are called ____________.
isomers
isotopes
indicators
ions
3
How many neutrons does Rb-85 contain?
48.468
122
37
48
4
To become a positive ion, an atom must ___________ .
gain electrons
lose protons
lose electrons
gain protons
5
The sum of the number of protons and neutrons inside the nucleus is called the __________.
nucleus number
atomic number
element number
mass number
6
How many total electrons does an oxygen ion (O
-2
) contain?
6
10
8
12
7
The number of protons an atomic contains is identified by the ____ ____ on the periodic table.
mass #
row #
group #
atomic #
8
Which distinguishes an atom of one element from an atom of a different element?
the number of neutrons
the number of protons
the number of electron
the number of neutrons and ions
9
Which subatomic particles are located inside the nucleus of an atom?
protons & neutrons
protons & electrons
electrons & neutrons
electrons & protons
10
Chemical bond involving the sharing of electrons between atoms in a molecule
covalent bond
decomposition reaction
replacement reaction
Solubility Curve
11
Elements that have chemical and physical properities of both metals and nonmetals are _____.
alkali earth metals
rare earth metals
metalloids
transition metals
12
How many protons are in an atom of bromine?
80
115
45
35
13
How many total electrons would a
ion
of magnesium (Mg
+2
) contain?
10
8
14
12
14
Which of the following is an example of a homogeneous mixture?
mud
smog
air
chocolate milk
15
A row on the periodic table is also called a ________.
group
neighborhood
family
period
16
Elements on the modern periodic table are arranged according to their _________.
atomic properties
atomic radii
atomic numbers
atomic masses
17
Which listing below shows the proper charges of the subatomic particles?
p = 0 n = +1 e = -1
p = +1 n = 0 e = -1
p = +1 n = -1 e = 0
p = -1 n = 0 e = +1
18
Elements in group 17 are called ____________.
alkali metals
noble gases
alkaline earth metals
halogens
19
Same atomic number & position on periodic table but different number of neutrons and atomic mass.
ions
isomers
Atoms
isotopes
20
Valence electrons are located _________.
in the first orbital outside the nucleus
inside the nucelus
in the outer orbital shell
in between the inner and outer shells
21
A column on the periodic table can also be called a ________ or a ___________.
family / period
period / group
family/ row
group / family
22
Which of the following is an example of a heterogeneous mixture?
sand
salt water
jello
alloys
