Chemistry, 26.02.2020 02:46 elijahworley
At a certain temperature and pressure an element has the simple body-centred cubic unit cell, depicted below. The corresponding density is 7.875 g cm-3 and the atomic radius is 1.241 Å. Calculate (and enter) the atomic mass for this element (in amu).
Answers: 2
Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
Chemistry, 22.06.2019 11:00
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.
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Chemistry, 22.06.2019 14:30
Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers
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Chemistry, 22.06.2019 17:40
How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?
Answers: 3
At a certain temperature and pressure an element has the simple body-centred cubic unit cell, depict...
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