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Periodic Law/Periodic Table Flashcards | StudBud
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Periodic Law/Periodic Table
Periodic Law/Periodic Table
30 terms
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chemistry, periodicity, periodic table, elements
Flashcards
30 cards
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Questions
30
Answers
1
As you go down a group, what generally happens to atomic radius?
it increases
it decreases
it remains constant
it increases, then decreases
2
Which element has the largest atomic radius?
argon
phosphorus
magnesium
sodium
3
Based on the same trend in reactivity as the first group, which element is most reactive?
calcium
barium
beryllium
strontium
4
As you move across the periodic table, what generally happens to ionization energy?
it increases
it decreases, then increases
it decreases
it increases, then decreases
5
Generally when an atom takes in an electron it
absorbs energy
becomes positively charged
becomes less stable
releases energy
6
Non metals have ________ electron affinity than to metals.
lower
higher
7
Who is credited with creating the periodic table?
Mendeleev
Newlands
Mosley
Seaborg
8
Which family has the lowest electronegativity?
alkali metals
noble gases
the oxygen group
halogens
9
Which of the following is the poorest conductor of electricity?
calcium
fluorine
cobalt
silicon
10
As you move down a group, what generally happens to electronegativity?
it increases
it decreases, then increases in the last row
it remains the same
it decreases
11
Which element has the highest ionization energy?
calcium
fluorine
carbon
barium
12
Which has the smallest atomic radius?
bismuth
arsenic
nitrogen
antimony
13
How many valence electrons does krypton have?
6
36
10
8
14
As you move across the period, what generally happens to electron affinity?
it decreases
it increases
15
What is ionization?
removing protons from an atom
adding protons to an atom
removing electrons from an atom
removing neutrons from an atom
16
As you move down a group, what generally happens to ionization energy?
it decreases
it remains the same
it decreases, then increases
it increases
17
Which of the following is a halogen?
iodine
xenon
sodium
hydrogen
18
How many valence electrons does silicon have?
28
14
1
4
19
Electronegativity is the ability of a bonded atom to
attract electrons
repel protons
repel electrons
attract neutrons
20
In which energy level is the outer electron in rubidium located?
37
2
1
5
21
Which has the largest atomic radius?
astatine
bromine
silicon
barium
22
Which element is more likely to have multiple valences?
fluorine
phosphorus
rubidium
manganese
23
Which has the smallest ionization energy?
bromine
sodium
francium
calcium
24
Which element has the highest electronegativity?
barium
fluorine
beryllium
carbon
25
Which other element has the same number of valence electrons as aluminum?
carbon
boron
zinc
magnesium
26
Electron affinity is very negative in elements that
attract electrons
are metals
lose electrons
neither lose or gain electrons
27
As you move across, what generally happens to electronegativity?
it decreases
it increases
it increases, then decreases in the last group
it decreases, then increases in the last group
28
As you move from left to right across a period, what generally happens to the radius?
it increases
it decreases
it increases, then decreases
it decreases, then increases
29
Which of the following will react violently with water to form a base?
potassium
chlorine
aluminum
cobalt
30
Elements in group 2 are known as the
metalloids
alkaline earth metals
alkali metals
halogens