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Chapter 15 CPO vocab. puzzle

Horizontales
- the repeating pattern of chemical and physical properties of the elements
an alloy of iron and carbon
a row of the periodic table
a unit of mass equal to 1.66 × 10-24 grams.
a material that allows electricity to flow through easily
elements that are typically shiny and good conductors of heat and electricity
Makes up most of the Earth's atmosphere
elements in the group containing helium, neon, and argon, among others.
a material that slows down or stops the flow of either heat or electricity
Verticales
- a column of the periodic table
a chart that organizes the elements by their chemical properties and increasing atomic number
the average mass of all the known isotopes of an element, expressed in amu
elements in the first group of the periodic table
Second most element in the earth's crust
a material that allows heat to flow easily
Type of change that is not permanent.
elements in the group containing fluorine, chlorine, and bromine, among others
elements that are poor conductors of heat and electricity
Change that transforms a substance into a different substance.
Gold colored metal alloy