Periodic Table Trends

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

How many valence electrons does Iodine (I) have?

Back

7

Front

What is the family name of the group that includes Iodine?

Back

Halogens

Front

What is ionization energy?

Back

Ionization energy is the energy required to remove an electron from an atom in its gaseous state.

Front

Which element has a lower ionization energy than Scandium (Sc)?

Back

Calcium (Ca)

Front

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

Back

Atomic radius increases down a group and decreases across a period from left to right.

Front

What is electronegativity?

Back

Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons.

Front

Which group of elements has the highest electronegativity?

Back

Noble Gases have the highest electronegativity.

Front

What is the trend of ionization energy in the periodic table?

Back

Ionization energy generally increases across a period and decreases down a group.

Front

What are alkali metals?

Back

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