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Q2 Week 1 PT Organiz

Q2 Week 1 Periodic Table Organization

QuestionAnswer
The periodic table is an arrangement of the chemical elements by ______ atomic number which displays the elements so that we can see trends in their properties. increasing
When elements are arranged in order of increasing atomic number, there is a regular repetition of their chemical and physical properties. What is this definition? periodic law
What is a column of elements in the periodic table having similar valence electron arrangement? family
Each element in a family or group has the same number of _____ electrons. valence
A valence electron is an electron in the ______ energy level of a neutral atom. outermost
What is a horizontal row on the periodic table of the elements; also called a series known as? period
The horizontal row number equals every atom's number of _____ levels, also called orbitals. energy
What does this describe? an element that is typically dense, solid, ductile, malleable, highly conductive, and chemically reactive, especially in the presence of nonmetal elements. metal
What does this describe? an element with characteristics between those of metals and nonmetals; also called semiconductors metalloid
What does this describe? an element that typically has four or more valence electrons and that does not exhibit the general properties of metals nonmetal
What is an element in Group 1 of the periodic table, having one valence electron that it can easily lose to form a 1+ cation, making it extremely reactive? alkali metal
What are elements in Group 2 of the periodic table, having two valence electrons? alkaline earth metals
What are any elements in Groups 3–12 of the periodic table, typically having one or two valence electrons? transition metals
What is an element in Group 17 of the periodic table having seven valence electrons? halogen
Because the noble gasses all have full outer energy levels, each one is inert. Which word best describes inert? nonreactive
Created by: user-1727869
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