The Periodic Table and Periodic Law

How can you quickly determine the number of energy levels that an atom has?

What makes the alkali metals more chemically active than the other metals?

Why does the atomic radius decrease as you progress across a period?

Rows on the periodic table that run from left to right according to increasing atomic numbers

Elements in this group have a +1 valence charge.

Name given to the first column on the periodic table.

Which correctly describes elements in the same group?

According to Periodic Trends, what happens to the atomic radius as you progress across a period

Using atomic mass, he predicted the existence of undiscovered elements.

How can you determine the number of valence electrons that a particular atom has?

Which metalloid is in the fourth period and the same group as Carbon?

Which block contains groups 1 and 2

Which of the following elements is not a metal?

Shiney, malleable elements found on the left side of the Periodic table.

The energy required to remove an electron from a gaseous atom.

Identify the period and group number of the element with the electron configuration (Ne)3s²3p⁴

Columns on the Periodic Table that have the same valence numbers.

Electrons in the last energy level that are used for chemical bonding

Name given to the 2nd column of elements on the Periodic table.

created a table where the atoms were arranged by increasing atomic number.

Includes the Lanthanide and Actinide series of elements.

Found in the middle of the periodic table. Contains different elemental versions.

Created the law of octaves.

What causes the atomic radius to increase in size as you move down a group?

This cluster of groups include groups 1,2,3,13,14,15,16,17, and 18.

Describes how much energy must be added to an atom to remove an outermost electron.