Answer:
Its either with itself to become fluoride Fl2 or with an alkali metal (elements in group 1) to achieve a stable electronic configuration or octet structure
1. Exothermic, because it’s giving off heat
2. Exothermic, because it’s giving off heat
3. Endothermic, because it’s losing heat
Chemical tests show that it is an alkaline earth metal. (a) The family of alkaline earth metals lies in group II of the periodic table indicating that each member of this family has 2 valence electrons. This therefore implies that the new element must also have only 2 electrons in its outermost orbit.
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