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BJU Physical World 7 Word Scramble

 
 


 

 
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Question Answer
alkali metalsGroup 1 (IA) elements that each have one valence electron.
alkaline-earth metalsGroup 2 (IIA) elements that each have two valence electrons.
alloysA homogeneous mixture of metals.
ductileCapable of being drawn into wire.
electron configurationThe number and position of electrons in the energy levels of an atom.
familyA vertical column on the periodic table; also called a group.
groupAnother name for a family on the periodic table.
halogensReactive elements in Group 17 (VIIA) that have seven valence electrons.
lusterCapable of reflecting light.
malleableCapable of being hammered or rolled.
metalsAn element that tends to give up electrons in a chemical reaction.
metalloidsA substance that has properties of both metals and nonmetals.
noble gasesStable elements found in Group 18 (VIIIA) that have eight valence electrons.
nonmetalsAn element that tends to gain electrons in a chemical reaction; poor conductor of heat and electricity.
periodsA horizontal row in the periodic table, also called a series.
periodic lawThe chemical properties of the elements are periodic functions of their atomic numbers.
periodic tableA table of the elements arranged by atomic number into vertical columns called families or groups, and horizontal rows called periods.
seriesAnother name for a period in the periodic table.
transition elementsStrong metals in Groups 3-12 (IB through VIIIB).
transuranium elementsAn element with an atomic number higher than that of uranium.
valence electronsThe electrons in the outermost energy level of an atom.