Periodic Table & Trends

Front

What is the arrangement of the Modern Periodic Table of Elements based on?

Back

The Modern Periodic Table is arranged by atomic number.

Front

How many valence electrons does an atom of Argon (Ar) have?

Back

An atom of Argon (Ar) has 8 valence electrons.

Front

What are the atoms along the staircase in the Periodic Table called?

Back

The atoms along the staircase are called metalloids.

Front

What are the vertical columns in the Periodic Table called?

Back

The vertical columns in the Periodic Table are called groups.

Front

Which element has a greater electronegativity: Nitrogen (N) or Carbon (C)?

Back

Nitrogen (N) has a greater electronegativity than Carbon (C).

Front

What is the definition of electronegativity?

Back

Electronegativity is the tendency of an atom to attract electrons in a chemical bond.

Front

What are periods in the context of the Periodic Table?

Back

Periods are the horizontal rows in the Periodic Table, indicating the number of electron shells.

Front

What is the significance of the atomic number in the Periodic Table?

Back

The atomic number represents the number of protons in an atom's nucleus and determines the element's identity.

Front

What are noble gases and where are they located in the Periodic Table?

Back

Noble gases are a group of elements in Group 18 of the Periodic Table, known for their lack of reactivity.

Front

What is a metalloid?

Back

Metalloids are elements that have properties of both metals and nonmetals, typically found along the staircase line in the Periodic Table.