Physics, 17.10.2020 14:01 mlittleduck6947
Which of the following describes an element? (2 points)
A. Matter made up of only one type of atom
B. A substance made of two or more types of atoms
C. Two or more types of atoms chemically bonded together
D. Two or more types of atoms that are not chemically bonded
Answers: 2
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Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o
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You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
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Which of the following describes an element? (2 points)
A. Matter made up of only one type of atom<...
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