He Found nucleus contains protons, electrons on outside
He made the first model of atoms
He discovered the periodic table
He discovered electrons
He discovered the nucleus
He discovered the neutron
When hydrogen loses an electron it becomes a what?
The total number of protons and neutrons in the nucleus determines the atom's
The positively charged particles in an atom are
The negatively charge particle
The chemical formula for glucose is C6H12O6. What elements make up this compound?
The atomic number of an element tells you the atom's
The partice with no charge is the what?
These have properties of both metals and nonmetals
These are ductile, malleable and conduct heat
These elements are located in the middle of the periodic table
If an element is in group 1 it can how many outer electrons?
The rows on a periodic table are called what?
the columns on the periodic table are called what?
On the element Nitrogen its atomic number is __________, its atomic mass is __________
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