10 questions
Central core of an atom
Nucleus
Neutron
Proton
Electron
What are valence electrons?
Total number of electrons in an atom
Total number of electrons in the outermost shell or orbit
Number of electrons in the second shell/orbit
Number of protons in the outermost shell/orbit
MgCl2 --> Mg4+ Cl2. Balance the equation
It is balanced
4MgCl2 --> Mg4+ 4Cl2
4MgCl2 --> Mg4+ 5Cl2
Can't say