Homework Help: physical science

Posted by liz on Saturday, November 3, 2007 at 2:13pm.

we have a whole list and I am confused and can someone help me with the first 2 as a reference to use.

substance O
substance O2
**these are both seperate lines**

name =
under the rest we check appropriate box
element
compound
symbol
formula
atom
molecule

physical science - drwls, Saturday, November 3, 2007 at 2:31pm
O is an element, symbol, (single) atom
O2 is a compound, formula and molecule

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