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Atoms and Elements / E-Learning

Teacher: Mr. Gast
Across
Only liquid, metal element at room temperature.
Atomic particle that has basically no mass
Negative particle in the atom
Where all of the mass of an atom is found
The atom is mostly this...(two words)
Element with the symbol Au.
Smallest piece of an element
Positive particle in the center or nucleus of the atom
True or False, atoms can easily be created or destroyed.
Charge of an electron
Down
True or False, the word "atomos" means "can't be divided.
First atomic particle discovered.
Atoms can combine to form these.
Neutral particle in the atom's center
Charge of a proton
Charge of a neutron