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Elements comp/mix

junior science ch 17

QuestionAnswer
what is a mixture two or more substances mingled together but not chemically combined
What is a compound two or more different elements combined together and chemically combined. they contain two or more different types of atoms
What is an atom the smallest part of an element which still has the properties of that element
what is an element a substance that cannot be split up into simpler substances by chemical means. a substance made of only one type of atom
What is the periodic table a list of all the elements which exist
what is a molecule two or more atoms chemically combined
What elements are found in water Hydrogen and Oxygen
What is the symbol for tungsten W
how many atoms in a molecule of carbon dioxide CO2 3
What is the symbol for salt NaCl
Elements are made of one type of atom
Marie Curie discovered two elements called Polonium and radium
all elements are listed on the periodic table
Created by: PDervin