Identify the following atoms using their symbols: a. contains 20 protons. ca
b. contains 12 electrons. mg
c. has atomic number = 30. Zn
d. the fifth-period transition metal with properties similar to copper. Ag
group VA metalloid in the fifth period.
f. the lightest metallic element in
g. the fourth-period element with properties similar to oxygen.
h. the metalloid in the second period.
i. the element with the fewest number of electrons in the sixth period.
j. the third-period element with the largest number of electrons.
e. the
group IVA.