Periodic Table Trends

Who proposed the organization of the elements into octaves?

What family can be found as compounds in nature?

Defined as half the distance between the nuclei of two identical atoms.

What family glows different colors and reacts with halogens to form salts?

What family can be found as elements in nature?

What family has all three states of matter in it?

Which atomic trend is described as decrease from top to bottom and increase from left to right.

Which atomic trend is described increase from top to bottom and decrease from left to right?

Why do elements in the same group generally have similar chemical properties?

Which element has the highest ionization energy?

Which element has the smallest electronegativity?

Who created the first periodic table?

The modern periodic table, which is based on atomic number, was developed by

Which element has the biggest radius?

Defined as the amount of energy required to remove one electron.

What is the energy change that occurs when a neutral atom gains an electron?