Metals, Nonmetals, Metalloids
What are two properties of metals?
Left of the staircase, lustrous, malleable, ductile, good conductors
Why does ionization energy decrease as you move down a group?
Greater number of occupied energy levels, valance electrons are farther away from the nucleus
Cations are always _________ than the neutral atom from which they are made.
Smaller
Which element has the highest electronegativity?
Fluorine
Which of these elements is a metalloid?
Germanium
Indium
Argon
Nickel
Germanium
Why does atomic size decrease as you move across the periodic table?
The number of protons increases (nuclear charge increases)
Why does ionization energy increase as you move left to right across a period?
Anions are always _________ than the neutral atom from which they are made.
Larger
Why does electronegativity decrease as you move down a group?
Increased number of energy levels, electrons are farther away from the nucleus.
Which of these elements is known as a metalloid?
Copper
Antimony
Thallium
Calcium
Antimony
Based on trends in the periodic table, which of the elements would be expected to have the largest atomic radius?
Fluorine
Chlorine
Bromine
Iodine
Iodine
Which element has the largest ionization energy?
F
At
Br
Cl
F
Which ion is the largest?
Rb-1
Rb
Rb-1
Why does electronegativity increase as you move left to right across the period?
Increased number of protons, electrons are more attracted to the nucleus
Which elements are nonmetals?
boron
silicon
titanium
mercury
selenium
iodine
carbon
selenium, iodine, carbon
Based on trends in the periodic table, which of the elements would be expected to have the largest atomic radius?
Neon
Argon
Krypton
Xenon
Xenon
Which of the following has the largest ionization energy?
Ga
Ti
Al
In
Al
Which ion is the largest?
I-1
I-2
I-2
Which element has the highest electronegativity?
Sg
W
Cr
Mo
Cr
Which elements are metals?
calcium
boron
barium
bromine
tin
calcium, barium, tin
Based on trends in the periodic table, which of the elements would be expected to have the largest atomic radius?
Lithium
Oxygen
Carbon
Beryllium
Lithium
Which of these elements has the largest ionization energy?
Y
Sn
Rb
Cd
Sn
Which ion is largest?
Cl-1
Ca+2
N-3
K+1
N-3
Which element has the highest electronegativity?
Db
Ds
Hs
Fr
Ds