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The atomic number and the mass number of atoms relate to their numbers of protons and neutrons. Use what you know
about mass numbers and atomic numbers to complete the table.

All of the following are part of the biosphere except

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

What is the percentage of hydrogen in nitrogen trihydride