Test: Atoms and the Periodic Table

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Front

Which particle has a positive charge?

Back

Proton.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals, and they are found along the zig-zag line on the periodic table.

Front

What are alkali metals?

Back

Alkali metals are the most reactive metals found in Group 1 of the periodic table, including elements like lithium, sodium, and potassium.

Front

How is the modern periodic table arranged?

Back

The modern periodic table is arranged in order of increasing atomic number.

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is a proton?

Back

A proton is a positively charged particle found in the nucleus of an atom.

Front

What is a neutron?

Back

A neutron is a neutral particle found in the nucleus of an atom, with no charge.

Front

What is an electron?

Back

An electron is a negatively charged particle that orbits the nucleus of an atom.

Front

What are transition metals?

Back

Transition metals are elements found in the central block of the periodic table (Groups 3-12) known for their ability to form various oxidation states.