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The periodic table is first arranged by
When a sample of potassium chloride dissolves in water, it separates into potassium ions and chloride ions. Which of the following best accounts for the positive charge of the potassium ions?
Select ALL of the following people who DID NOT invent the periodic table.
Which of the following statements best describes the elements in family 16 of the periodic table?
Match the following elements with their number of valence electrons.
Berylium |
Gallium |
Sodium |
Germanium |
What do the elements sulfur (S), nitrogen (N), phosphorus (P), and bromine (B) have in common?
Which of the following two elements have similar chemical properties?
Match the following elements with their number of valence electrons
Berylium |
Gallium |
Barium |
Germanium |
The periodic table is first arranged by
Match the following element groupings with their correct description.
Metals |
Nonmetals |
Metalloids |
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