This means that there are 7 protons in the nucleus of a nitrogen atom.
The substance is followed by H2O
Answer: The answer is A. A conductor that allows electricity to flow easily
Bases produce hydroxide ions, while acids produce hydrogen ions.
Bases have a pH of above 7, and are bitter and slippery.
Answer: <span>c. hydroxide ions</span>
The atomic number of copper is 29.
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