A) Na because it has a boiling point of 883 and alkali metals react with water.
B) Be because it is a metal in group 2 and period 2.
C) Ne because it is a noble gas with a boiling point of -246
Answer:An atom has 5 protons, 5 electrons and 6 neutrons The atomic number = number of protons = number of electrons = 5 The mass number = 5 protons + 6 neutrons = 11
Answer: The answer is C. replacement
This would be an example of a replacement type of reaction. As the iron is replaced with the aluminum in the reaction.
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Becquerel was studying the properties of X-Rays when he discovered radioactivity. His original theory was that X- Rays arose from uranium absorbing...
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