Is lead to liquid to pellets a physical change

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)