Chemistry practice Periodic table

Each column in the periodic table is called a _________ .

• period
• group
• cluster
• unit

Periods on the periodic table are __________.

• Horizontal Rows
• Vertical Columns

Groups on the periodic table are __________.

• Horizontal Rows
• Vertical Columns

The Atomic number is known as the _______

• Number of electrons in an atom

• Number of Protons in an atom

• Number of neutrons in an atom

• Number of Protons and electrons in an atom

What is Atomic Mass Number ?

• Number of Protons

• Number of Neutrons

• Number of Protons and Neutrons

• Number of Protons and Electrons

Elements in the same group have : (2 correct answers)

• Similar chemical properties

• Similar names

• Same number of outer (valence) electrons)

• The same number of protons

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

What is iron's atomic number?

• 12

• 26

• 55.85

• 55

What family is copper in?

• alkali metals

• alkaline earth metals

• noble gases

• transition metals