Answer:
An acid is a substance that donates protons (in the Brønsted-Lowry definition) or accepts a pair of valence electrons to form a bond (in the Lewis definition). A base is a substance that can accept protons or donate a pair of valence electrons to form a bond.
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Filtration is a method for separating an insoluble solid from a liquid.
Answer:
Explanation:
When going from top to bottom in any group of the periodic table, the atomic radius always tends to increase
There are 18 protons and electrons and 22 neutrons in the atom
