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Atomic Structure & Periodic Table Mania_chem
Atomic Structure & Periodic Table Mania_chem
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A review of atomic structure and the periodic table.
Flashcards
22 cards
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Questions
22
Answers
1
Group 1 elements are also called ____________.
alkaline earth metals
halogens
alkali metals
noble gases
2
Elements on the modern periodic table are arranged according to their _________.
atomic properties
atomic radii
atomic numbers
atomic masses
3
How many total electrons does an oxygen ion (O
-2
) contain?
10
12
6
8
4
How many valence electrons does an alkaline earth metal have?
2
1
3
0
5
Elements that have chemical and physical properities of both metals and nonmetals are _____.
metalloids
transition metals
alkali earth metals
rare earth metals
6
Which subatomic particles are located inside the nucelus of an atom?
protons & electrons
electrons & neutrons
protons & neutrons
electrons & protons
7
A row on the periodic table is also called a ________.
neighborhood
group
family
period
8
Elements in groups 3 - 12 are called ___________.
inner transition metals
transition metals
metalloids
alkaline earth metals
9
Elements in group 17 are called ____________.
alkali metals
halogens
alkaline earth metals
noble gases
10
The number of protons an atom contains is identified by the ____ ____ on the periodic table.
mass #
group #
atomic #
row #
11
How many valence electrons does a noble gas have?
7
8
0
1
12
Carbon-13 and Carbon-14 are examples of _______________ for the carbon element.
indicators
ions
isotopes
isomers
13
To become a positive ion, an atom must ___________ .
lose protons
lose electrons
gain electrons
gain protons
14
Valence electrons are located _________.
in the outer orbital shell
inside the nucelus
in between the inner and outer shells
in the first orbital outside the nucleus
15
Atoms of the same element that have a different number of neutrons are called ____________.
indicators
isotopes
ions
isomers
16
An atom, as shown on the periodic table, is neutral because it contains equal numbers of
protons and neutrons
neutrons and ions
isotopes and ions
protons and electrons
17
To become a negative ion, an atom must ____________.
gain electrons
gain protons
lose protons
lose electrons
18
How many total electrons would a ion of magnesium (Mg
+2
) contain?
10
8
14
12
19
The average mass of all the isotopes for a given atom is called ___________.
average atomic mass
average mass number
average nuclear mass
average atomic number
20
A column on the periodic table can also be called a ________ or a ___________.
family / period
period / group
group
family/ row
21
The sum of the number of protons and neutrons inside the nucleus is called the __________.
mass number
atomic number
element number
nucleus number
22
Which listing below shows the proper charges of the subatomic particles?
p = -1 n = 0 e = +1
p = 0 n = +1 e = -1
p = +1 n = -1 e = 0
p = +1 n = 0 e = -1
