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Erstellt von Joe Barry
vor mehr als 7 Jahre
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_____ are the smallest particles of an element that can take part in chemical reactions.
Atoms are made of three types of subatomic particle.
The ______ is 20,000 times smaller than the atom its self
Subatomic particles have very, very small masses and electrical charges. its more convenient to describe their masses and charges compared to a proton.
Proton has a relative mass of.... and a relative charge of...
A neutron has a relative mass of.... and a relative charge of.....
an electron has a relative mass of.... and a relative charge of....
No two elements have the same number of...
