Periodic table

Who grouped elements with similar properties in groups of three called triads

This part of the periodic table has the lowest ionization energies

The Noble Gases will not react with other elements because they have

The carbon family (group 14)has this number of valence electrons

d block

Cobalt belongs to this group or family!

I developed the first periodic table and am now called the "Father of the Periodic Table". Who am I?

The Halogens are located on the

The most electronegative element on the chart is

silicon

Elements in the 7th period that have occupied 5f orbitals are called

The Noble Gases are located on the

A row on the periodic table is called a

The Alkaline Earth Metals

Group 18

The transition metals are located in the

which has the larger electron affinity?

These two groups are the most reactive elements

Group 17

What family does Li and K belong?

Al

Elements in groups 1 and 2 have atoms with valence electrons in the

Mendeleev left spaces in his periodic table that represented ___________.

The atomic number of an element is found by counting the number of

The first periodic table was arranged in increasing order of ______________.

The columns on the periodic table are called

Which has a larger atomic radius?

4f elements

Which has the higher ionization energy?

I developed the PT in order of increasing atomic number and am now called the "Father of the Modern Periodic Table".

The Alkali metals are located on the

Which has the higher electronegativity?