They are found in group 3 of the periodic table.
Answer:
Early-warning systems are essential in the case of hurricanes, severe thunderstorms, tornadoes, tsunamis, and volcanoes. All of these can wreak havoc! Let’s take a look at how meteorologists forecast these events and how early-warning systems can help us protect ourselves if we are in their paths.
Explanation:
an element whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.
Fe+CuCl2=FeCl2+Cu
reactants--->reaction products
