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FOS Unit 9 - elements, atoms, & the periodic table Flashcards | StudBud
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FOS Unit 9 - elements, atoms, & the periodic table
FOS Unit 9 - elements, atoms, & the periodic table
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FOS unit 9 review pt 2 over elements, atoms, sub atomic particles, & the periodic table
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Answers
1
Groups of the Periodic table are
the horizontal rows.
based on color
the stair step
the vertical columns.
2
The Noble Gases were hard to discover mainly because
they are inert.
they are unreactive.
they have a full valence shell.
have a stable octet except for Helium.
3
when neutral foil is brought near a + charged tape what happens & why?
attracted, p+ from the foil approach the tape
repelled, p+ from the foil approach the tape
attracted, e- from the foil go away from the tape
attracted, e- from the foil approach the tape
4
The Modern Periodic Table is arranged in order of increasing...
Atomic Charge
Atomic Size
Atomic Mass
Atomic Number
5
Elements along the staircase of the Periodic Table are known as
Semi-metals
Other nonmetals
Metalloids
Alkali Earth metals
6
On the Periodic Table, valence electrons are organized by
group
family
row
period
7
The atom diagrammed has 10 n+- , 9 p+, 9 e- what is it & what is it's mass number?
F-19
F- 9
Ne- 19
Ne-10
8
Boron 11 has how many neutrons?
6
5
7
4
9
Which Alkali Metal has the highest first ionization energy?
Sodium
Potassium
Rubidium
Lithium
10
Who is considered the "Father of the Modern Periodic Table?"
John Dahlton
Antoine Lavosier
Henry Moseley
Dimitri Mendeleev
11
Within a group, atomic radius increase with increasing atomic number. Why?
Fewer Energy Levels
Greater Charge
Smaller Charge
More Energy Levels
12
I have 3 energy levels & 11 protons what element am I?
Ag
Na
Cu
Au
13
Which element is not a metalloid?
Sb
Hg
Si
B
14
The metals of group 1 of the periodic table are called the
Alkali Nonmetals
Alkaline Earth Metals
Alkali Metals
Alkaline Mars Metals
15
All elements of this group have 2 valence electrons.
Halogens
Noble Gases
Alkaline Earth Metals
Alkali Metals
16
Explain the diagram
a + top tape & - bottom tape attract each other
2 - top tapes are brought near each other & attract
+ top tape & - bottom tape repel each other
2 + top tapes are brought near each other & repel
17
The vast majority of the elements on the Periodic Table are what type?
Metalliods
Semi-metals
Nonmetals
Metals
18
What happens to nonmetallic character as you proceed from left to right across a period?
Remains the same
Increases
Decreases
19
I have 8 protons with a common oxidation state of -2. Who am I?
Fluorine
Oxygen
Nitrogen
Chlorine
20
As an atom becomes a positive ion, it _______ electrons, and the radius gets _______.
gains/larger
loses/larger
gains/smaller
loses/smaller
21
Group 17 elements have a charge of
+1
-2
-1
+7
22
Electronegativity increase across a period with increasing atomic number. Why?
More Energy Levels
Smaller Charge
Fewer Energy Levels
Greater Charge
23
Which is a general characteristic of
nonmetals
?
Malleable
Poor Conductors
Good Conductors
Ductile
24
What element is Period 5, Group 6
Ra
Mo
Rb
Y
25
Periods of the Periodic table are
the horizontal rows.
based on color
the vertical columns.
the stairstep
26
All of the following are metals
EXCEPT
Au
Ag
Ac
Ar
27
All elements of the same period have the same number of
Protons
Valence Electrons
Total Electrons
Energy Levels
28
Group 18 elements are called
Nobel liquids
Noble Solids
Noble Gases
Nobel Peace Prizes
