periodic properties

Front

Which element is in Group 0 and Period 1?

Back

Helium (He) is the element in Group 0 and Period 1.

Front

What are Group VII elements called?

Back

Group VII elements are called halogens.

Front

What are He, Ne, and Ar classified as?

Back

He, Ne, and Ar are classified as noble gases.

Front

Which element is the most electronegative?

Back

Fluorine is the most electronegative element.

Front

How many energy levels does sodium (Na) have?

Back

Sodium (Na) has 3 energy levels.

Front

What is the general trend of electronegativity in the periodic table?

Back

Electronegativity increases across a period and decreases down a group.

Front

What are alkali metals?

Back

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

Front

What is the significance of noble gases?

Back

Noble gases are known for their lack of reactivity due to having a full valence shell.

Front

What is ionization energy?

Back

Ionization energy is the energy required to remove an electron from an atom.

Front

What is the trend of atomic radius in the periodic table?

Back

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