CHEMISTRY Complete the following table. The first few have been done for you element symbol atomic mass number number number of electron number number of of electrons arrangement protons neutrons hydrogen H 1 1 1 0 1 1 lithium Li 3 7 3 4 3 2,1 boron 11 magnesium 24 (2 marks total) Draw an electron diagram to show the electron arrangement of an atom for the following elements. nitrogen phosphorus (2 marks total) Ionic bonding and properties of ionic compounds Draw the dot and cross diagram for aluminium oxide (draw outer shells and the resulting bond only). (2 marks total) Fill in the table to show the for the following ions: electron arrangements ion electron arrangement ion electron arrangement K+ F- S2- Mg2+ Al3+ N3- (3 marks total)
CHEMISTRY Complete the following table. The first few have been done for you element symbol atomic number mass number number of protons number of neutrons number of electrons electron arrangement hydrogen H 1 1 1 0 1 1 lithium Li 3 7 3 4 3 2,1 boron 11 magnesium 24 (2 marks total) Draw an electron diagram to show the electron arrangement of an atom for the following elements. nitrogen phosphorus (2 marks total) Ionic bonding and properties of ionic compounds Draw the dot and cross diagram for aluminium oxide (draw outer shells and the resulting bond only). (2 marks total) Fill in the table to show the electron arrangements for the following ions: ion electron arrangement ion electron arrangement K+ F- S2- Mg2+ Al3+ N3- (3 marks total)
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