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Periodic law Review 1-8-2019 Flashcards | StudBud
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Periodic law Review 1-8-2019
Periodic law Review 1-8-2019
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#chemistry # periodic table
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
Which of the following is
false
about this orbital box diagram ?
It represents nitrogen
highest energy electrons are in 1S
it has 2 principal energy levels occupied with electrons
it has 5 valence electrons
2
What is electronegativity?
an atom that has become negatively charged
how much one atom hogs electron it shares with another atom
how much an atom repels electron it shares with another atom
a depressed atom that hates electrons
3
Moving from left to right across the periodic table, which is false?
electron affinity generally decreases
atomic radii become smaller
Ionization energy increases
atoms generally become more electronegative
4
Name the Alkali metal with the highest ionization energy___.
K
Fr
Na
Li
5
Which is false about an element with the uttermost electron configuration is
3d
10
4s
2
4p
x
it belongs in period 4
it is in the d-block
the group number will be equal to 10+ 2 + x
it is in group 5A
6
which of the following is the electron configuration of a noble gas?
B
C
A
D
7
moving from left to right of the Periodic Table, electron affinity values tend to
nether positive or negative
more positive
more negative
None of the above
8
what is the least electronegative atom in the periodic table
Astatine
Lithium
Francium
Oxygen
9
The energy required to remove an electron from an atom is called the atom's ____________.
ionization energy
electron gravity
electron affinity
electron energy
10
Which of the following sub atomic particles are important for chemical reactions?
Protons and neutrons
Only valance shell electrons
All electrons
protons, neutrons and electrons
11
The noble gas with the smallest atomic radius is:__
He
Ar
Ne
Rn
12
What is the most electronegative atom in the periodic table?
Lithium
Francium
Fluorine
Radon
13
Chlorine has how many valence electrons?
8
1
7
2
14
Electron affinity is defined as ___
none of these
How much does an atom love its electrons
How much does an atom repel electrons
how much does an atom "want" or desire electrons
15
X and Y atoms could be which of these respectively?
C and Cl
P and Br
Si and Al
Ge and S
