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Answer:
in lewis structure, a solid line is usually used to represent a bond between the atoms
Explanation:
the dots that are shown around the atom represent the valence electrons on the outer shell
when there are multiple atoms, either a pair of dots circled (one dot from each atom) or a solid line is used to show the bonds between those atoms
Answer:
Bottom left corner of the periodic table
Explanation:
The elements toward the bottom left corner of the periodic table are the metals that are the most active in the sense of being the most reactive. Lithium, sodium, and potassium all react with water, for example.