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Chemistry Chapter 4 The Periodic Table Flashcards | StudBud
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Chemistry Chapter 4 The Periodic Table
Chemistry Chapter 4 The Periodic Table
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1
The elements that make up the "s" and "p" block are
the rare earth elements
the transition metals
the main group elements
the metalloids
2
A neutral atom of ___________ has 77 electrons.
Osmium
Iridium
Platinum
Rhodium
3
The atomic number is the number of ___ in an atom.
protons (and neutrons)
neutrons
protons (and electrons)
valence electrons
4
Which element has the most valence electrons: bromine, aluminum, selinium, or silver?
Bromine
sodium
Selenium
Aluminum
5
The outermost electrons are called
ions
configuration electrons
bonders
valence electrons
6
The second most reactive group of elements is
the alkali metals
the halogens
the transition metals
the noble gasses
7
If iodine and calcium are very reactive, what other pair would be very reactive?
fluorine and neon
selenium and bromine
magnesium and sulfur
strontium and silver
8
A member of the halogens is
iodine
aluminum
lead
polonium
9
What element has 4 energy levels and 2 valence electrons?
scandium
calcium
gallium
sodium
10
Which are brittle?
metals
non-metals
11
The lanthanide metals are found in the ___ block.
f
p
s
d
12
Ionization energy is the energy required to
remove a neutron from an atom
remove an electron from an atom
remove a proton from an atom
remove all electrons from an atom
13
Which is more reactive, Mg or Ca?
Mg
Ca
14
The size of an atom ____ as you move left to right across the periodic table.
decreases
increases
stays the same.
15
These elements are generally dull with no luster or shine.
non-metals
metals
metalloids
16
The periodic table is organized by increasing
mass number
atomic number
electronegativity
orbitals
17
The number of valence electrons increases by 1 as you move from ____ across a period.
right to left
left to right
18
Metals tend to ___ electrons.
lose
gain
19
Which are malleable?
non-metals
metals
20
Which are ductile?
non-metals
metals
21
Antimony (Sb) has how many energy levels?
6
4
5
3
22
How many valence electrons does Germanium have?
13
3
6
2
23
A member of the alkaline earth family is
Beryllium
Strontium
Cesium
Scandium
24
The elements on the right side of the star-step line then to ___ electrons.
lose
gain
25
The LEAST reactive family of elements is the
Chalcogens
Metalloids
Noble Gasses
Hallogens
26
The periodic table has how many periods?
13
5
18
7
27
Which of the following is MOST reactive?
Helium
Aluminum
Sodium
Calcium
28
The mass number is the number of ___ in an atom.
neutrons
protons and neutrons
protons and electrons
protons
29
Which are good conductors of heat and electricity?
metalloids
non-metals
metals
30
One of these does not fit with the others: K, Sr, Ba, Se
K
Se
Ba
Sr
31
Bond radius is
half the distance between nuclei
the distance between two nuclei
twice the distance between nuclei
32
A member of the noble gases is
bromine
iodine
radon
fluorine
33
The elements on the left side of the periodic table
tend to gain electrons
tend to lose electrons
are unreactive
have the same number of energy levels
34
The noble gases do not have a filled outer orbital.
False
True
35
Most of the elements on the periodic table are
metalloids
gasses
metals
non-metals
36
The alkali metals are found on Earth only in compounds because
they are very reactive elements
they are very rare elements
they are very metallic elements
they have the smallest nuclei
37
Energy levels are the same as ___ on the periodic table.
groups
families
periods
38
Which of the following is least reactive?
Fluorine
Xenon
Sodium
Calcium
39
The size of the Boron atom is ___ than the Arsenic atom.
larger
smaller
40
An atom with an electrical charge is call a(an)
noble gas
ion
metalloid
radical
41
Which are semi-conductors?
metals
metalloids
non-metals
42
All elements in column 16 have how many electrons in the outer shell?
10
6
16
8
43
The "d" block elements are called
the transition metals
the metalloids
the main-group elements
the rare earth elements
44
The horizontal rows on the periodic table are called
groups
periods
45
The stair step line of the periodic table divides __ and __.
solids and gasses
metals and metalloids
noble gasses and metals
metals and non-metals
46
The vertical columns on the periodic table are called
groups
periods
47
The chemist who made the first orderly arrangement of the elements and predicted more discovery of elements was
Mosely
Newlands
Bohr
Mendeleev
48
A member of the transition metals is
Calcium
Potassium
Gallium
Mercury
49
Another name for group is
valence electron order
hallogen
family
period
50
What elements are found primarily along the "stairstep" area of the periodic table?
Alkaloids
Helioids
Lanthanoids
Metalloids
