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The formula for pyrite is FeS2. HOw many elements are in pyrite? 22 5 2 4 The image below shows which of the following? element one atom something pure compound The drawing shown here is an example of a pure substance a mixture a compound none of the above The fact that this model shows two colors means that it is representing a element compound pure substance planet Which of the following represents an element? carbon dioxide oxygen a rock salt Which of the following cannot be broken down into some simpler? an atom compound periodic table carbon dioxide What can you find on the periodic table? the chemical formula for salt all the compounds that exist in the universe all the elements that have been discovered the number of hydrogen atoms there are in a molecule of water When an atom of oxygen bonds with two atoms of hydrogen, which compound is made O2H CO2 H2O C6H12O6 chemical bond electricity James Bond glue bond The force of attraction between two atoms Which of the following is a group of two or more atoms held together by a chemical bond? atom chemical formula compound the basic part of any element Which of these is an example of a compound? A, B and C A A, and B B B and C none of the above C How many elements are in Feldspar (a mineral)? KAlSi3O8 11 13 6 4 |