Element in group 14 can obtain a +4 or -4 ion charge? *

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

Which of the following molecules is polar? c3h7oh c2h5cooh

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two