the periodic table:classes

the periodic table:classes

Multiple Choice

Each column of the periodic table is

• an element.

• a group.

• an isotope.

• a period.

Multiple Choice

How was Mendeleev's periodic table arranged?

• by increasing atomic mass

• by decreasing atomic mass

• by increasing atomic number

• by decreasing atomic number

Multiple Choice

In Mendeleev's periodic table, elements in each column had similar

• atomic masses.

• properties.

• atomic numbers.

• symbols.

Multiple Choice

The order of elements in the periodic table is based on

• the number of protons in the nucleus.

• the electric charge of the nucleus.

• the number of neutrons in the nucleus.

• atomic mass.

Multiple Choice

Atoms of elements that are in the same group have the same number of

• protons.

• neutrons.

• valence electrons.

• protons and neutrons.

Multiple Choice

The three main groups of elements are metals, nonmetals, and

• inert gases.

• alkali metals.

• radioactive isotopes.

• semiconductors/metalloids.

Multiple Choice

Metals tend to be

• gases.

• dull.

• brittle.

• good conductors.

Multiple Choice

Most elements are

• metals.

• nonmetals.

• metalloids.

• semiconductors.

Multiple Choice

Non-metals are insulators, this means electricity ______ flow through them.

• can

• cannot

Multiple Choice

Non-Metals generally have ____ boiling points.

• High

• Low

Multiple Choice

Which of these elements are a Non-Metal?

• Copper

• Gold

• Oxygen

Multiple Choice

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases