This large group of elements contains many metals which are not highly reactive such as copper, iron, and tungsten.
1 transition metals
2 alkali metals
3 alkaline-earth metals
4noble gases
halogens

Is this a single replacement reaction or there is no

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

The term gas is limited to those substances that exist in the gaseous state at