1) B+3 is ok. The exercise already put B+3. What
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2) Ge is a neutral atom because it doesn't have any charge.
Germanium has 32 electrons and 32 protons because its atomic number is 32.
Be careful with that.
Neutral atoms have the same numbers of electrons and protons.
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3)
Answer:
Chemical energy found in the bonds between atoms
Nuclear energy found in nucleus of an atom
Electrical energy found in the flow of electrical charges
Thermal energy found when internal energy is transferred.
This noble gas is argon (Ar), because its third energy level is full.
