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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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Answers
1
How many valence electrons does krypton have?
10
36
6
8
2
What is ionization?
adding protons to an atom
removing neutrons from an atom
removing protons from an atom
removing electrons from an atom
3
Non metals have ________ electron affinity than to metals.
lower
higher
4
Which of the following is the poorest conductor of electricity?
cobalt
calcium
silicon
fluorine
5
As you move across the period, what generally happens to electron affinity?
it increases
it decreases
6
Which element has the highest electronegativity?
fluorine
beryllium
barium
carbon
7
As you move across the periodic table, what generally happens to ionization energy?
it increases
it decreases
it increases, then decreases
it decreases, then increases
8
How many valence electrons does silicon have?
1
14
4
28
9
As you move down a group, what generally happens to electronegativity?
it remains the same
it increases
it decreases, then increases in the last row
it decreases
10
In which energy level is the outer electron in rubidium located?
2
37
5
1
11
Which of the following is a halogen?
sodium
hydrogen
iodine
xenon
12
Which family has the lowest electronegativity?
halogens
noble gases
the oxygen group
alkali metals
13
Electronegativity is the ability of a bonded atom to
repel protons
attract electrons
repel electrons
attract neutrons
14
Which element has the largest atomic radius?
sodium
argon
phosphorus
magnesium
15
Which element has the highest ionization energy?
calcium
barium
fluorine
carbon
16
As you go down a group, what generally happens to atomic radius?
it increases
it increases, then decreases
it decreases
it remains constant
17
As you move across, what generally happens to electronegativity?
it increases, then decreases in the last group
it increases
it decreases
it decreases, then increases in the last group
18
As you move down a group, what generally happens to ionization energy?
it decreases, then increases
it increases
it remains the same
it decreases
19
Which has the smallest atomic radius?
antimony
nitrogen
arsenic
bismuth
20
Which other element has the same number of valence electrons as aluminum?
boron
carbon
magnesium
zinc
21
Which has the smallest ionization energy?
sodium
francium
calcium
bromine
22
Which has the largest atomic radius?
bromine
astatine
silicon
barium
23
As you move from left to right across a period, what generally happens to the radius?
it increases, then decreases
it increases
it decreases, then increases
it decreases
24
Elements in group 2 are known as the
halogens
alkali metals
alkaline earth metals
metalloids