Periodic Table of Elements

Front

What is the positively charged particle in an atom?

Back

Proton

Front

What identifies the number of protons in an atom's nucleus?

Back

Atomic Number

Front

What are the rows going across the Periodic Table of Elements called?

Back

Periods

Front

What is the region inside an atom where electrons are likely to be found?

Back

Electron Cloud

Front

What is the term for the number of protons in an atom's nucleus?

Back

Atomic Number

Front

What are the vertical columns in the Periodic Table called?

Back

Groups

Front

What is the term for elements that have properties of both metals and nonmetals?

Back

Metalloids

Front

What is the smallest unit of an element that retains the properties of that element?

Back

Atom

Front

What is the term for the average mass of an element's isotopes?

Back

Atomic Mass

Front

What is the term for the horizontal arrangement of elements in the Periodic Table?

Back

Period