Homework Help: chemistry

Posted by jennifer on Tuesday, October 7, 2008 at 11:41pm.

name the elementwhich has the following numbers of particles:
a.26 electrons,29 neutrons,26 protons
b.53 protons,74neutrons
c.2electrons(neutral atom)
d.20 protons
e.86electrons,125neutrons,82protons(charged atom)
f.0 neutrons

chemistry - DrBob222, Wednesday, October 8, 2008 at 12:15am
a. Look on the periodic table. 26 protons and 26 electrons tells you the element is #26.
b. 53 protons; element #53.
c. 2 electrons(neutral) so that means 2 protons, also. Element #2.
d. 20 protons. Element #20.
e. 0 neutrons. There is only 1 element with no neutrons. It has a mass of 1.

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