3.3: The Periodic Table / Bohr Models

Atoms of elements that are in the same group have the same number of:

• Protons

• Neutrons

• Valence Electrons

• Protons & Neutrons

Which of the following elements is an alkali metal?

• Calcium (Ca)

• Magnesium (Mg)

• Mercury (Hg)

• Sodium (Na)

What are the columns on the periodic table called?

• Elements

• Groups

• Isotopes

• Periods

The three main groups of elements are metals, nonmetals, and:

• Inert Gases

• Alkali Metals

• Radioactive Isotopes

• Metalloids

Which group is very stable due to the fact that they have a full outermost energy level?

• Alkali Metals

• Halogens

• Alkaline Earth Metals

• Noble Gases

What are the rows on the periodic table called?

• Groups

• Rows

• Periods

• Families

What period is Bromine (Br) in?

• 3

• 2

• 4

• 1

What group is Beryllium (Be) in?

• Group 2

• Group 3

• Group 4

• Group 7

Tags

NGSS.MS-PS1-1

The majority of elements on the periodic table are:

• Metalloids

• Nonmetals

• Metals

Name group 2 on the periodic table:

• Alkali Metals

• Alkaline Earth Metals

• Noble Gases

• Transition Metals