4. Atoms and Elements

Which of the following elements is a transition metal?

On the periodic table, what are the elements in groups 3–12 commonly called?

Which Period 3 element is least likely to react naturally because it is a noble gas with a full valence shell?

Which of the following elements is a transition metal?

Which element is located in group 14 (carbon group) and period 3 of the periodic table?

Which element is located in Group 14 (carbon group) and Period 3 of the periodic table?

Which of the following is a main-group (representative) element in period 6 of the periodic table?

An element has 25 electrons (i.e., atomic number $25$). Which classification best describes this element in the periodic table?

Which of the following is a main-group (representative) element in period 3 of the periodic table?

Which element is located in group 10 and period 6 of the periodic table?

Which description best defines a main-group (representative) element on the periodic table?

Which statement best defines a representative element in the periodic table?

In Period 2 of the periodic table (Li, Be, B, C, N, O, F, Ne), which element has the smallest atomic mass?

Which element is located in Group 2 (alkaline earth metals) and Period 3 of the periodic table?