Answer:
Periodic table, in full periodic table of the elements, in chemistry, the organized array of all the chemical elements in order of increasing atomic number—i.e., the total number of protons in the atomic nucleus. ... Mendeleyev in the mid-19th century, has been of inestimable value in the development of chemistry.
Explanation:
The group number tells us about the size weight and molecule elements involved. Also tells us about what types it can form and combine with as well as its reactions also
Answer:
D (But as a heads up, you wrote barium instead of Bromine)
Explanation:
The Potassium atom will lose an electron since its valence shell only has one, while Bromine has 7 electrons in its valence shell. Potassium wants to get rid of its one electron, Bromine wants to gain that one electron to get a full shell.
Potassium will become a CATION with a positive charge (since it lost an electron), Bromine will become an ANION with a negative charge (since it gained an electron)
Answer:I'll be for the argument
Explanation:
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