Answer:
11
Explanation:
The atomic number = number of protons. The mass number (23) = sum of number of neutrons and protons. Since you know the mass number is 23 and it has 12 neutrons, 23-12 gives you 11 protons, so its atomic number is 11.
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Aluminium nitrate is acidic as its made by a weak base with a relatively stronger acid.
Hope that helps ;)
Answer:
I would say about 250 meters.
Explanation:
