State whether the following statements are true or false. (e) All elements are artificially prepared.
all elements are artificially prepared .--true/false
State whether the following statements are true or false. Among all the groups, the maximum number of elements is found in the IIIB group.
State whether the following statements are true or false. The element with the atomic number 17 has the least size among all the elements of that period.
State whether the following statements are true or false. Differentiating electrons enter anti-penultimate shell in transition elements.