Periodic Trends

How is the radius of a metal atom measured?

Moving left to right within a period, atomic radius generally ______.

Moving down within a group, atomic radius generally ______.

Moving left to right within a period, first ionization energy ______.

Atoms tend to gain, lose, or share electrons in order to acquire how many valence electrons?

Which of the following elements has the smallest atomic radius in Period 2?

What is the general trend for electronegativity as you move from left to right across a period?

Which property generally decreases as you move down a group in the periodic table?

Which element in Period 3 has the highest electronegativity?

What is the term for the energy required to remove an electron from an atom in the gaseous state?