The Periodic Table II

The most reactive elements are on the _____

The reactivity of Group IA elements increases from the

Why do elements in a group have similar chemical properties?

What did Mendeleev not know about each element?

These elements are shiny and good conductors of heat and electricity

What does atomic mass mean?

One important thing that Mendeleeve did not know about when arranging his table was

Which elements are all gases at room temperature?

Copper is an example of a

Group 2A consists of the

The most reactive elements are the

A valence electron can be found in the nucleus.

Which halogen is added to salt for nutritional purposes?

In the modern periodic table, elements are arranged in order of their

These elements on the periodic table are highly unreactive

Except for water, most of the compounds in your body contain

The patter of repeating properties on the periodic table is

Mendeleev arranged the elements in his periodic table in order of

Difference in the reactivity among the alkaline Earth metals are shown by

Bohr created the first periodic table.

Transition metals form a

Malleable means that metals can be

Isotopes of an atom have varying numbers of

How many periods does the periodic table have

These electrons are found in an atom's outer energy level

This element is the most abundant in the Earth's crust.

Which elements are as reactive the alkali metals?

Which class of elements has properties that fall between metals and nonmetals?

Why are two series of elements placed below the main body of the table?

Mendeleev arranged the elements in rows of increasing

Across a period from the left to the right, the elements become

A valence electron is an electron that is in the

What is used to arrange the elements on the modern periodic table?

Mr. Sev discovered the atom.

These elements are poor conductors of heat and electricity

The pattern of repeating properties of atoms on the periodic table is called

Bohr gave science the idea of orbitals

Which halogen is used to disinfect drinking water?

These elements can conduct electricity, but not as well as metals

The Schrodinger Model emphasis

An atomic mass unit is defined as

Elements in a group have similar properties because