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Pre-AP Periodic Table Review Flashcards | StudBud
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Pre-AP Periodic Table Review
Pre-AP Periodic Table Review
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Intro Periodic Table families and trends review. #periodictable #periodictrends
Flashcards
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Questions
24
Answers
1
Magnesium has _____ valence electrons.
1
8
2
7
2
Z
eff
is short for
effective nuclear charge
executive nuclear force
effective nucleus number
nuclear effective shielding
3
Which has the largest ionization energy?
Po; low Zeff; less protons
O; high e- shielding; more energy levels
O; low e- shielding; less energy levels
Po; high e- shielding; more energy levels
4
Which one is larger?
B3+
B
5
Potassium is part of which family?
alkali metals
alkali earth metals
noble gases
halogens
6
How strongly nucleus pulls on electrons is the definition of:
Zeff
ionization energy
e- shielding
electronegativity
7
Electronegativity increases in these directions:
left; up
left; down
right; down
right; up
8
What is the ionic charge of Na?
+2
-7
+1
-1
9
Which one is smaller?
S2-
S
10
Who was the first person to make the periodic table?
Mendeleev
Moseley
Bohr
Rutherford
11
What factor is most important in determining the periodic trends across a period?
ionization energy
Zeff
e- shieldling
electronegativity
12
Which element will have the smallest electronegativity? and why?
Be; low e- shielding; more energy levels
Mg; low e- shielding; more energy levels
Be; low Zeff; low protons
Ba; high e- shielding; more energy levels
13
Mendeleev organized the periodic table by:
protons
atomic number
electrons
atomic mass
14
What factor is most important in determining the trend going down a group?
e- shieding
ionization energy
Zeff
electronegativity
15
Which has the largest atomic radius and why?
Ca; low Zeff; less protons
Br; high Zeff; more protons
Ca; low e- shielding; less energy levels
Br; low e- shielding, more protons
16
Atomic radius increases in these directions?
left; up
left; down
right; down
right; up
17
Chlorine is part of which family?
halogens
noble gases
alkali metals
alkaline earth metals
18
Which family is highly reactive and come in pairs (diatomic)?
alkali metals
noble gases
alkaline earth metals
halogens
19
What is the ionic charge of chlorine?
+7
-1
+1
+2
20
Elements have similar chemical characteristics because they have the same number of
energy levels
valence electrons
protons
neutrons
21
Which family is stable - not reactive?
alkaline earth metals
noble gases
halogens
alkali metals
22
Moseley organized the table by:
atomic number
atomic mass
neutrons
electrons
23
Ionization energy increases in these directions:
right; up
left; down
left; up
right; down
24
Phosphorus has _____ valence electrons.
5
8
1
2
