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25 questions
Of the halogens, which has the smallest radius?
F
Br
He
At
Which of the following will have a lower ionization energy than Scandium (Sc)?
Helium (He)
Titanium (Ti)
Calcium (Ca)
Magnesium (Mg)
Which of the following will have a higher electronegativity than arsenic (As)?
Carbon (C)
Neon (Ne)
Antimony (Sb)
Germanium (Ge)
Which of the following halogens has the greatest electronegativity?
Chlorine (Cl)
Bromine (Br)
Iodine (I)
Astatine (At)
Which group of elements has the lowest ionization energies?
Alkali Metals (Group 1)
Alkaline Earth Metals (Group 2)
Halogens (Group 17)
Noble Gases (Group 18)
What is the amount of energy required to remove an electron from an atom?
atomic energy
ionization energy
ionic energy
electron energy
What is one-half the distance between the nuclei of identical atoms that are bonded together?
atomic radius
atomic diameter
atomic width
atomic length
What is a measure of the tendency of an atom to attract a bonding pair of electrons when the atom is in a compound?
ionization energy
electropositivity
electronegativity
electron energy
What is a positively-charged ion which forms when an atom loses electrons?
atom
ion
cation
anion
What is a negatively-charged ion which forms when an atom gains electrons?
cation
anion
electron
ion
What is a vertical (up and down) column in the periodic table?
group or family
period
periodic law
octet rule
Which of these elements in group 1A has the largest atomic radius?
cesium
rubidium
potassium
sodium
Which element in period 4 has the highest electronegativity?
potassium
calcium
copper
bromine
Which group 4A element has the highest ionization energy?
carbon
tin
silicon
lead
Which group 2A element has the largest ionic radius?
magnesium
calcium
barium
radium
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