State if the following statements are true or false: i. Calcium is an alkali metal. ii. Group 2 metals react with water to form acidic solutions. iii. Transition elements are all metals. iv. Chemical properties differ among elements in the same group. v. There are 18 groups in a periodic table.
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i. false, calcium is an alkaline earth metal.
ii. false
iii. false
iv. false
v. true
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