Physics

Physics, 21.07.2019 07:00, simbupls

The metallic elements which all react in water are found in the: same group same period rare earth elements

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Chemistry, 21.08.2019 23:20, f1refoxx

Use the drop-down menus to complete each sentence. elements in the same have the same number of valence electrons. elements in the same have the same number of electron shells. metallic elements become reactive as you move left to right in a period. metallic elements become reactive as you move top to bottom in a group.

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The group 8a (18) elements the group 8a (18) elements melt at high temperatures are good conductors of electricity are unreactive and are rarely found in combination with other elements react vigorously with water are liquids at room temperature

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Physics, 24.09.2019 13:30, ivetter5333

Which statement best describes how alkali earth metals react with water? a. most alkali earth metals react with cold water. b. all alkali earth metals do not react with any type of water. c. all alkali earth metals react strongly with water at room temperature. d. most alkali earth metals react with hot water. i got this wrong the first time so its not c. it's a little confusing so if someone could that'd be great. here's where i'm supposed to get my alkali earth metals - the elements in group 2 of the periodic table are named the alkali earth metals. an atom of an element in this family has two electrons in its valence shell and tends to form 2+ cations through chemical reactions. beryllium (be), which is at the top of the group, will not react with water. magnesium (mg), however, will react with hot water. the rest of the group naturally reacts with water at any temperature, hot or cold. also, these elements are much harder than the alkali metals.

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