Chemistry II quizz

Which of the following is an element?

• Water

• Air

• Helium

• Ammonia

• Periods
• Groups

• Periods
• Groups

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

A vertical column is called...

• group
• tower
• period
• crew

What are the vertical columns on the periodic called?

• groups

• periods

• nonmetals

• metals

• metalloids

How many protons and electrons does nickel have?

• 28

• 58.69

What is the atomic mass?

• 58.693

• 28

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

What is the chemical symbol for Lithium?

• H
• He
• Li
• N