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Periodic Trends • Chemistry
Set 3 — Foundation
Which ion has the largest radius: Na^{+}, Mg^{2+}, Al^{3+}?
Na^{+}
Mg^{2+}
Al^{3+}
All are equal
Rank the following elements by atomic radius from largest to smallest: F, Cl, Br.
Br > Cl > F
F > Cl > Br
Cl > F > Br
F > Br > Cl
Which of the following has the smallest atomic radius: Li, Na, K?
Li
Na
K
All are equal
Which element has the largest atomic radius: C, N, O?
C
N
O
All are equal
Arrange the following ions in order of increasing radius: F^{-}, Na^{+}, Mg^{2+}.
Mg^{2+} < Na^{+} < F^{-}
F^{-} < Na^{+} < Mg^{2+}
Na^{+} < Mg^{2+} < F^{-}
Mg^{2+} < F^{-} < Na^{+}
Which of the following pairs has the larger radius: K or Ca?
K
Ca
They are equal
Depends on the ion
Which of the following elements has the largest atomic radius: S, Se, Te?
S
Se
Te
All are equal
Which ion has a larger radius: Cl^{-} or K^{+}?
Cl^{-}
K^{+}
They are equal
Depends on the charge
Rank the following elements by atomic radius from largest to smallest: Rb, Cs, Li.
Cs > Rb > Li
Li > Rb > Cs
Rb > Cs > Li
Cs > Li > Rb
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Which element has a larger atomic radius: Be or Sr?
Be
Sr
They are equal
Depends on the ion