Answer these ! 23 points! 1. why is hydrogen set apart by itself? 2. how do valence electron configurations of the alkali metals compare with each other? 3. why are the alkaline-earth metals less reactive than the alkali metals? 4. in which groups of the periodic table do the transition metals belong? 5. what properties do the halogens have in common?
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Chemistry, 22.06.2019 00:00
Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what
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Chemistry, 22.06.2019 02:20
6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction
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Answer these ! 23 points! 1. why is hydrogen set apart by itself? 2. how do valence electron conf...
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