Chemistry, 27.07.2019 07:30 allendraven89pds755
Is it possible to change a scientific theory? a. yes, scientific theories are constantly being changed in major ways. b. yes, but changes are usually small and are made only if important new evidence is found. c. no, scientific theories are never changed and scientists always believe they are correct. d. no, scientific theories are never changed, but they are frequently replaced by new theories.
Answers: 1
Chemistry, 21.06.2019 18:10
Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.
Answers: 2
Chemistry, 23.06.2019 01:00
Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released
Answers: 3
Is it possible to change a scientific theory? a. yes, scientific theories are constantly being chan...
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