Answer:
The negative ion is larger than the original atom. but the same number of positive protons, the size of the ionic radius will increase. When an atom has its electrons attracted to another atom it becomes a positive ion. The positive ion is smaller than the original atom.
The chemical formula for this compound is CaCl2.
Answer:
Look at the picture.
Explanation:
So on picture two resonance structures are shown. You can see that nitrogen's electron pair is not used in aromatic system and is planar to the ring.
Answer:
metals is the simplest form of crystalline solid