SPS1 - Periodic Table and Atomic Structure

Front

What is the atomic mass of silicon?

Back

28.1

Front

What makes noble gases like neon unlikely to combine with other elements?

Back

They have a full octet (complete outer energy level) of electrons.

Front

Which element is found in a family that contains metals, nonmetals, and metalloids?

Back

Lead (Pb)

Front

What phase do most metalloids exist in at room temperature?

Back

Solid

Front

What is an electrically charged atom or group of atoms called?

Back

Ion

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of valence electrons?

Back

They determine how an element reacts chemically with other elements.

Front

What is a metalloid?

Back

An element that has properties of both metals and nonmetals.

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.