Periodic Table & Trend Practices-Review

Front

What is ionization energy?

Back

The energy required to remove an electron from an atom.

Front

How do you calculate the number of neutrons in an atom?

Back

Mass - Atomic number = Neutrons.

Front

Which element has the most similar properties to Sulfur (S)?

Back

Oxygen (O).

Front

What are the horizontal rows on the periodic table called?

Back

Periods.

Front

How many valence electrons are in an atom of Potassium (K)?

Back

1.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the periodic table's groups?

Back

Elements in the same group have similar chemical properties and the same number of valence electrons.

Front

What is electronegativity?

Back

A measure of the ability of an atom to attract electrons in a chemical bond.

Front

What is the trend of ionization energy across a period?

Back

Ionization energy generally increases across a period from left to right.

Front

What is the trend of atomic radius down a group?

Back

Atomic radius generally increases down a group.