Periodic Table Questions

Which of the following elements is the most reactive?

• lithium

• potassium

• rubidium

• sodium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of these properties is not a characteristic of a typical non-metal?

• brittle

• low density

• good conductor of electricity

• dull

Identify the element described by the following information.

- Has the largest radius of all elements
- Has the lowest ionization energy of any element in the periodic table
- Highly reactive metal

• Br

• O

• Fr

• Cl

Which of the following factors contributes to the relatively greater atomic size of the higher atomic number elements within a particular family of the periodic table?

• More shielding of the outer electrons by the inner electrons

• Larger nuclei

• Greater number of protons

• Smaller number of valence electrons

Mendeleev's periodic table was arranged by...

Alkali metals, alkaline earth metals, and halogens are names associated with...

• Groups

• Periods

• Actinide Series

• Transition Elements

Metalloids can be defined as having...

• Physical properties of both metals and nonmetals.

• Chemical properties of both metals and nonmetals.

• Physical and chemical properties of neither metals nor nonmetals.

• Physical and chemical properties of both metals and nonmetals.

The group of elements characterized by having its highest energy electron in the f orbital is...

• Inner transition metals

• Alkali metals

• Alkaline earth metals

• Transition metals

What element is a halogen that exists as a liquid at room temperature?

• Cl

• Br

• Hg

• Kr

The d-block is ten groups wide because it represents the filling of the...

• Two d orbitals that hold a maximum of 5 electrons.

• Two d orbitals that hold a maximum of 10 electrons.

• Five d orbitals that hold a maximum of 5 electrons.

• Five d orbitals that hold a maximum of 10 electrons.