Share Atoms Protons Neutrons
Save to Folder
What is the same in an isotope?
proton
The part of the atom that has a positive charge
proton
the part of the atom that orbits around the nucleus
electron
the one part of the atom that is always the same as the atomic number
proton
in a neutral atom, the number of protons equals the number of what?
electrons
the charge of the neutron
zero
the parts of the atom that make up the mass number
protons + neutrons
identify the atom that has 17P and 18N
chlorine
Mg-26 is number 12 on the periodic table. How many neutrons does it have?
14
An atom has 8 protons, 9 neutrons, and 10 electrons. What is its mass?
17
When drawing a Bohr model, this is the number of electrons on the first ring.
2
In Ne-21, what does the 21 mean?
mass#/ P+N
the part of the atom that has a negative charge
electron
this part of the atom is the smallest; its mass # is 0.
electron
A Carbon, atom #6 on the periodic table has a mass of 13. How many neutrons?
7
What parts of the atom are found in the nucleus?
Protons + Neutrons
