Modern Chemistry Chapter 5

Who gets credit for the first periodic table based on atomic mass and chemical/physical properties?

What is the name of the group that contains the most reactive nonmetals and contains 7 valence electrons?

On the periodic table, the vertical columns are called

Who is responsible for creating a way to calculate the atomic mass of for elements?

Name of the group 2 elements.

An atom that has a negative charge is called

These are ductile.

The name of the group 17 elements.

Which element is not silver-colored?

The name of the group 18 elements, which are colorless, odorless, nonreactive gases

Which periodic group has all 8 of its valence electrons and is therefore unreactive?

Metals are usually solids except for this element.

The measure of the ability of an atom to attract a shared pair of electrons is called

A positivly-charged atom is called

The group that contains the most reactive metals, that react with nonmetals to produce salts

Of the following, which has the lowest electronegativity?

Name of the group 1 elements.

The energy required to remove an electron from an atom is called

The group of elements that are all radioactive and contain #90-103 are called the

Who stated that properties repeat every eight elements and called it the Law of Octaves?

What element is in group 15, period 5

Which element has 1 (s¹) valence electron?

These are malleable.

On the periodic table, the horizontal groups are called

Which group contains all radioactive elements ?

These are mostly gases.

Which element has the highest electronegativity of 4.0?

As you remove more electrons, the ionization energy will

The group of elements that are atomic numbers 58-71 are called

What is the common name for the elements in groups 3-12?

These are usually dull and brittle.

First ionization energy involves what?

These conduct heat and electricity well.

The energy due to adding an electron to a neutral atom is called

The modern periodic table is based on atomic number and was created by