Which one of the following is not true about the alkali metals?
A) They all readily form ions with a +1 charge.
B) They are very reactive elements.
C) They have the lowest first ionization energies of the elements.
D) They are low density solids at room temperature.
E) They all have 2 electrons in their valence shells.
Correct Answer:
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Q10: Screening by core electrons in atoms is
Q11: Which element would be expected to have
Q12: Alkali metals tend to be more reactive
Q13: Which one of the following elements has
Q14: Nonmetals can be at room temperature.
A) solid
Q16: This element is more reactive than lithium
Q17: Alkaline earth metals _ .
A) exist as
Q18: Which of the following correctly lists the
Q19: Which of these oxides is most basic?
A)
Q20: Hydrogen is unique among the elements because
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