Answers Physical ScienceProperties and Changes of Matter

Practice Test Answers

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How many atoms of each element are in the chemical formula NH sub 4 NO sub 3 ?

2 nitrogen, 4 hydrogen, and 3 oxygen

5 nitrogen, 1 hydrogen, and 1 oxygen

1 nitrogen, 4 hydrogen, and 3 oxygen

1 nitrogen, 1 hydrogen, and 3 oxygen

Which best describes what is made of matter?

all atoms

all living things and objects

all living things

all solid objects and atoms

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