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Periodic Law/Periodic Table Flashcards | StudBud
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Periodic Law/Periodic Table
Periodic Law/Periodic Table
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#periodictable
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Answers
1
As you move down a group, what generally happens to electronegativity?
it remains the same
it decreases
it decreases, then increases in the last row
it increases
2
Which other element has the same number of valence electrons as aluminum?
zinc
carbon
magnesium
boron
3
Which element has the highest electronegativity?
fluorine
beryllium
barium
carbon
4
The electron configuration for Carbon is
2s22s22p2
1s21s21p2
1s22s22p2
2p2
5
Which has the smallest atomic radius?
antimony
bismuth
nitrogen
arsenic
6
As you move from left to right across a period, what generally happens to the atomic radius?
it decreases
it increases
it increases, then decreases
it decreases, then increases
7
Which element has the largest atomic radius?
argon
phosphorus
magnesium
sodium
8
Which has the largest atomic radius?
silicon
astatine
bromine
barium
9
What is the element with an atomic number of 20?
calcium
neon
zirconium
zinc
10
As you go down a group, what generally happens to atomic radius?
it remains constant
it increases
it decreases
it increases, then decreases
11
How many valence electrons does silicon have?
14
28
4
1
12
In which energy level is the outer electron in rubidium (Rb) located?
5
1
2
37
13
As you move across, what generally happens to electronegativity?
it decreases, then increases in the last group
it increases
it decreases
it increases, then decreases in the last group
14
Isotopes of an element
have different atomic numbers
have the same atomic number
have different masses
have the same mass
15
Which family has the lowest electronegativity?
halogens
noble gases
alkali metals
the oxygen group
16
How many valence electrons does krypton have?
36
8
6
10
17
How many protons does Beryllium (Be) have?
4
9
5
2
18
Electronegativity is the ability of a bonded atom to
attract electrons
repel electrons
attract neutrons
repel protons
19
Elements in the same group all have the same
valence electrons
mass number
color
state
20
As you move across the period, what generally happens to electron affinity?
it decreases
it increases
