Explanation:
can u post a picture of the question ?
Answer:
The overall charge of an atom is zero. Atoms are made up of positively charged particles called protons and negatively charged particles called electrons as well as non-charged particles called neutrons.
Explanation:
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That is a chemical change. Oxidization (rusting) is what happens. An example of this is the Statue of Liberty. It wasn't always the greenish we know!
Answer: 60 g/mban
Explanation: I don't know what an "mban" is, but the density of this alien rock would be 60 grams/mban. Density = Mass/Volume