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Atoms have a small nucleus surrounded by electrons. The Nucleus- It is in the middle of the atom It contains protons and electrons Protons are positively charged +1 Neutrons have n...
Water is a highly ordered material. When something dissolves in water, some of these O-H bonds are broken. This requires heat energy. The water molecules can then form attractive interactions to solute io...
The atom consists of three sub-atomic particles: Protons; Neutrons and electrons. Protons and neutrons are in the nucleus of the atom and the electrons occupy the electron shells around the nucleus.
First, she should filter the mixture using a filter funnel and filter paper to remove the sand. Then, she should distill the remaining solution, using a bunsen burner, a distillation column and a condensi...
Ca(OH)2 + 2HNO3 --> Ca(NO3)2 + 2H2O
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