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Science
about the periodic table, Element families, and definitions
Question | Answer |
---|---|
The law that states that the chemical properties of the elements periodic functions of their atomic numbers? | Periodic Law |
Column of elements in the periodic table | Group/family |
Horizontal row of elements in the periodic table | Period |
Element that is a good conductor of heat and electricity, lose electrons, is shiny, has a high melting point, and is ductile and malleable | Metal |
shininess | Luster |
Able to be drawn into a thin wire | Ductile |
Able to be hammered into a thin sheet | Malleable |
Wearing away of a metal due to a chemical reaction in which the metal element is changed to a metallic substance | Corrosion |
the opposite of a metal | Nonmetal |
Has properties of metals and nonmetals | Metalloids |
Element family 1 and has 1 valence electron | Alkali metals |
element family 2 and has 2 valence electrons | Alkaline Earth metals |
Has properties that don't fit in the other families | Transition metals |
Family 13 and has 3 valence electrons | Boron family |
Family 14 and has 4 valence electrons | Carbon family |
Family 15 and has 5 valence electrons | Nitrogen family |
Family 16 and has 6 valence electrons | Oxygen family |
Family 17 and has 7 valence electrons | Halogen family |
Member of family 18 and has 8 valence electrons | Noble gas |
Elements in the Lanthanoid and Actinoid series | Rare-Earth elements |
First row of rare-earth metals | Lanthoid series |
Second row of rare-earth metals | actinoid series |