The group of elements that have some properties of metals and some properties of nonmetals are called metalloids.
Answer:
Chlorine
Explanation:
Chlorine has an atomic number of 17 and a configuration of 2, 8, 7. In the outermost shell, it has 7 seven electrons which means that it needs just one more electron to attain an octet configuration in that shell. Therefore it's can react quickly with any nearby nucleophile.
The red is an oxygen molecule. 1 oxygen and 2 hydrogen =h2o or water!
There is 213 units i believe hope so
