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Electrons are knocked off atoms, causing electricity to flow.
energy can neither be created nor we destroy
That energy can only be converted between different forms ~Apex
That most of an atom's mass was packed in a central nucleus
in bohr's model, the atom's mass is found at its center instead of distributed throughout
Type your answer here... The hydrogen atoms in heavy water have a neutron in the nucleus, doubling the mass.
In quantum mechanics, electrons exist in a cloud-shaped area outside the nucleus.
I found the concepts mind-blowing and it took me a couple of weeks to get comfortable with it.
7B
No following, but look for the nonmetal to nonmetal bond.
Water freezing into ice is an example of a phase change from liquid to solid.
When you shine a certain level of light wavelength on metal, you can knock electrons off the atoms of the metal. This phenomenon was explained by Albert Einstein in 1905, for which he received a Nobel Prize in 1921.
a description of electrons scattered inside the atom
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