Periodic Table Introduction

Front

What is the atomic mass of Carbon?

Back

12

Front

What does atomic mass tell us about an element?

Back

It tells us both the number of protons and neutrons in the nucleus.

Front

What are the elements that are blue and to the left of the stair step ladder called?

Back

Metals.

Front

What are the horizontal rows in the periodic table called?

Back

Periods.

Front

How many electrons does carbon have in a neutral atom?

Back

6, because protons must equal electrons in a neutral atom.

Front

What is the definition of an element?

Back

A substance that cannot be broken down into simpler substances by chemical means.

Front

What is the significance of the atomic number?

Back

It represents the number of protons in the nucleus of an atom.

Front

What are the vertical columns in the periodic table called?

Back

Groups or families.

Front

What is the general trend of atomic mass in the periodic table?

Back

Atomic mass generally increases from left to right and top to bottom.

Front

What is the difference between metals and nonmetals in the periodic table?

Back

Metals are typically good conductors of heat and electricity, while nonmetals are poor conductors.