This or That: Periodic Trends

Can you choose the chemical element, by typing 'A' or 'B,' that satisfies each clue, based on periodic trends?

Forced Order Answers have to be entered in order
Wrong Answers Some wrong answers will appear in red
Larger atomic radius: A) Li, or B) Rb?
Larger atomic radius: A) Mg, or B) S?
Larger atomic radius: A) H, or B) He?
Larger atomic radius: A) Te, or B) I?
Higher electronegativity: A) F, or B) Tl?
Higher electronegativity: A) Li, or B) Be?
Higher electronegativity: A) P, or B) As?
Higher electronegativity: A) Ba, or B) Br?
Higher ionization energy (eV): A) He, or B) Ne?
Higher ionization energy (eV): A) He, or B) Li?
Higher ionization energy (eV): A) C, or B) N?
Higher ionization energy (eV): A) Mg, or B) Al?
Melting point (°C): A) H, or B) Li?
Melting point (°C): A) Na, or B) Mg?
Melting point (°C): A) Na, or B) Kr?
Melting point (°C): A) C, or B) Si?

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