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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 3 atoms of an element compound a mixture a molecule of an element a compound The drawing shown here is an example of The fact that this model shows two colors means that it is representing an element a compound an atom with big ears Which of the following represents an element? carbon dioxide oxygen a rock salt Which of the following cannot be brokendown chemically into some simpler? an atom compound carbon dioxide water What can you find on the periodic table? all the compounds that exist in the universe the number of hydrogen atoms there are in a molecule of water the chemical formula for salt elements listed in order of atomic number. When one atom of oxygen bonds with two atoms ofhydrogen, which compound is made C6H12O6 H2O O2H CO2 Which of the following is a group of two or more different types ofatoms held together by a chemical bond? atom any molecule compound protons and neutrons 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 |