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SOL 4

The periodic table and bonding.

QuestionAnswer
What are the vertical columns on the periodic table called? Groups (or families)
What are the horizontal rows called? Periods
How many elements are known? 110 elements
How does Binary compounds are formed? When two elements react chemically.
What's an ionic bond? When a metallic element reacts with a nonmetallic element (atoms gain and lose electrons).
What's a covalent bond? When two nonmetals react (atoms share electrons).
What's an atomic number? The number of protons in an element.
What's an atomic mass? The sum of protons and neutrons.
Created by: light02
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