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Periodic Table/ Trends Flashcards | StudBud
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Periodic Table/ Trends
Periodic Table/ Trends
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Periodic Table/Trends Review
Flashcards
36 cards
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Practice quiz
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Questions
36
Answers
1
Why does atomic radius decrease as you go left to right?
Less energy levels
Increased number of electrons
Increased number of protons
Decreased force of attraction
2
A positive ion is formed by...
gaining an electron
losing an electron
chemical reaction
losing a proton
3
Why does ionization energy decrease going down a group?
more force of attraction
Less energy levels
More protons
increased distance between the nucleus and the valence electrons
4
Elements to the right of the zig zag line are all...
nonmetals
metals
5
which group is the most reactive
noble gases
alkali metals
alkaline earth metals
halogens
6
How do anions form?
losing protons
gaining electrons
gaining protons
losing electrons
7
Does Ca gain or lose electrons?
Lose
Gain
8
How is the periodic table arranged?
physical properties
alphabetically
Atomic mass
increasing atomic number
9
Of the following which has the largest atomic radius: Pb Ge, C
Pb
Ge
C
10
What are columns in the periodic table called?
Periods
Rows
Groups
11
How many?
0
3
2
1
12
What is the trend for increasing electronegativity?
Increases up a group and from left to right across a period
Increases down group and from left to right across a period
Decreases up a groups and from right to left across a period
13
The distance between the center of the nucleus and the outermost electrons is called
Atomic diameter
Electronegativity
ionization energy
Atomic radius
14
Which elements are outlined in dark blue?
metals
halogens
bromine family
Noble gases
15
What are rows in the periodic table called?
Groups
Columns
Families
Periods
16
What is the most reactive metal?
Na
He
F
Fr
17
This group has 1 valence electron that it loses to form a +1 ion
Alkali metals
Alkaline earth metals
Noble gases
Halogens
18
Which group is inert (does not react)?
halogens
Noble gases
alkaline earth metals
transition metals
19
This group already has 8 valence electrons and has no charge
Halogens
Noble Gases
Boron Family
Alkaline earth metals
20
Elements to the left of the zig zag line are all...
metals
nonmetals
21
Name the groups boxed in orange
noble gases
halogens
alkali metals
Alkaline earth metals
22
The elements along the zig zag line that have properties of both metals and nonmetals are called
metalloids
nonmetals
metals
hybrids
23
Who was 1st to organize periodic table?
Mendeleev
Rutherford
Mosley
Bohr
24
Name the groups boxed in red.
Halogens
Alkaline earth metals
Noble gases
Alkali metals
25
What are the electrons in the outermost shell called?
shielding electrons
valence electrons
reacting electrons
electrons
26
name the group outlined in purple
halogens
alkali metals
noble gases
carbon family
27
The halogens are known for forming...
compounds
alloys
salts
do not react
28
The elements in groups 3-12, the middle of the periodic table are called?
metalloids
halogens
nonmetals
transition metals
29
Of the following which has the smallest atomic radius: K, Se, Co
Co
Se
K
30
This group has 5 valence electron that so it take 3 from another element to form a -3 ion
Oxygen Family
Noble Gases
Nitrogen Group
Halogens
31
What is the trend for increasing atomic radius?
Increases down a group and from left to right across
Increases down a group and from right to left across
Increases up a group and from right to left across
32
A positive ion is called a...
anion
ion
cation
33
Of the following, which has the highest electronegativity: K Se or Co
Co
Se
K
34
What do groups have in common on the periodic table?
Same elements
Nothing
Similar Physical/Chemical properties
Similar names
35
Which element has the highest electronegativity and is the the most reactive NONMETAL?
Fr
He
H
F
36
The ability of an atom to attract electrons is called
electronegativity
Ionization energy
reactivity
atomic radius
