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Mathematics 20 Online
OpenStudy (anonymous):

select the answer that correctly indicates the number of protons and electrons for this atom or ion.

OpenStudy (anonymous):

there are no answers to select

OpenStudy (anonymous):

a.17 protons, 18 protons b.16 protons, 18 protons c.3 protons, 2 electrons d.12 protons, 10 electrons

OpenStudy (unklerhaukus):

there is still some information missing

OpenStudy (anonymous):

for lithium , sorry

OpenStudy (unklerhaukus):

Ah lithium, do you have a periodic table to check what element number Li is on the chart

OpenStudy (unklerhaukus):

Starting at the top left and counting left to right, top to bottom Hydrogen is element number 1, Helium is element number 2, Lithium is element number ...,

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