Elements and Periodic Table Review

Front

How many groups are on the periodic table?

Back

There are 18 groups on the periodic table.

Front

What does the atomic number represent?

Back

The atomic number represents the number of protons in an atom's nucleus.

Front

Is Bleaching Powder (CaOCl2) an element or a compound?

Back

Bleaching Powder is a compound.

Front

What are the three kinds of elements?

Back

The three kinds of elements are Metals, Nonmetals, and Metalloids.

Front

What is a horizontal row of elements on the periodic table called?

Back

A horizontal row of elements is called a Period.

Front

What is the chemical symbol for Gold?

Back

The chemical symbol for Gold is Au.

Front

What is the atomic mass of Carbon?

Back

The atomic mass of Carbon is approximately 12.01.

Front

What are noble gases?

Back

Noble gases are elements in Group 18 of the periodic table that are colorless, odorless, and inert.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the most abundant element in the universe?

Back

The most abundant element in the universe is Hydrogen.