Answer:
Group 7A
Explanation:
The group 7A elements consists of the most reactive non-metals on the periodic table.
This group is known as the group of halogens. They consist of element fluorine, chlorine, bromine, iodine and astatine.
- The elements in this group have the highest electronegativity values.
- They have 7 valence electrons and requires just one electron to complete their octets.
- This way, they are highly reactive in their search for that single electron.
It is made of polar molecules
A part of organism that is typically self contained and have a specific vital
Answer:
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Answer: option 2.
K2SO4 (aq) + BaCl2 (aq) → 2 KCl (aq) + BaSO4 (s)
Explanation: