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#1
06-22-2009, 11:17 AM
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 HELP! Answers for Alkali Questions!? Could you answer these? 1.The Group 1 metals show a trend in melting points. a)What does that mean? b)Describe two other physical trends for the group. 2.Find one measurement that does not fit the trend exactly, in the table on the opposite page. 3.The Group 1 metals all have similar chemical properties. Why is this? 4.When a Group 1 metal reacts, what happens to the outer shell electron of its atoms? 5.a) Which is more strongly held, the outer electron in lithium or in sodium? Explain why you think so. b) Sodium is more reactive than lithium. Why? 6.Lithium is the first element in Group 1 and beryllium the first in Group 2. Which is more reactive? Why?  |
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