Periodic Table Unit Test Review

Front

What does the 'Law of Octaves' state?

Back

The properties of the elements repeat every eighth element when arranged by their atomic mass.

Front

Which element is classified as an alkali metal?

Back

Sodium.

Front

Which element has a larger atomic radius than Zinc?

Back

Strontium.

Front

What is the electron structure of an element?

Back

The arrangement of electrons in an atom, which determines its chemical properties.

Front

Which atom has the largest atomic radius?

Back

Francium.

Front

What is the significance of atomic number in the periodic table?

Back

The atomic number determines the identity of an element and its position in the periodic table.

Front

What are alkali metals?

Back

Alkali metals are the elements in Group 1 of the periodic table, known for being highly reactive.

Front

What is the periodic trend for atomic radius?

Back

Atomic radius generally increases down a group and decreases across a period.

Front

What is the difference between atomic mass and atomic number?

Back

Atomic mass is the weighted average mass of an element's isotopes, while atomic number is the number of protons in the nucleus.

Front

What is the role of valence electrons in chemical bonding?

Back

Valence electrons are involved in forming bonds between atoms, determining the chemical reactivity of an element.