Periodic Table Trends

Silicon is a metalloid. Therefore its properties will be most like those of:

Which of the following elements is most likely shiny and a good conductor of electricity?

Which group of elements generally have the largest atomic radii (refer to the graph)?

Which electron configuration represents the atom in period 2 with the largest atomic radius?

Which element in period 3 has both metallic and nonmetallic properties?

Why do the elements in the same groups/families generally have the same properties?

Going from left to right across a period in the periodic table, the atomic radius of an atom:

What is the total number of electrons found the valence shell of an alkaline earth metal?

Which element is a halogen?

Ionization energy tends to increase

Which element in period 3 is the least reactive nonmetal?

Which group of the periodic table contains the most reactive metals?

Which of the following is NOT a property of halogen?

The only nonmetal that is a liquid at room temperature is:

Which isotope of carbon is found in an abundance?

Which type of elements tend to form negative ions (anions)?