23. Chemistry of the Nonmetals

Li₂C₂ (s) + 2 H₂O (l) → ?

Alkaline earth metals react with certain substances to produce hydrogen gas. Which of the following will result in hydrogen gas formation? Provide a balanced reaction.

a) Beryllium (Be) and O₂

b) Barium (Ba) and CO₂

c) Calcium (Ca) and H₂O

d) Strontium (Sr) and O₂

Provide the products from the reaction between strontium and aqueous chlorine.

Write chemical equations for the reaction of potassium with the following substances, making sure that the numbers and kinds of atoms are the same on both sides of the equations. If no reaction occurs, write N.R.

(a) H2O

Write chemical equations for the reaction of calcium with the following substances, making sure that the numbers and kinds of atoms are the same on both sides of the equations. If no reaction occurs, write N.R.

(c) Br₂

Complete and balance the equation for each of the following reactions.

b. Ca(s) + H₂O(l) →