Periodic Trends

Front

As you move across the periodic table, atoms tend to get smaller because:

Back

the atoms have more protons.

Front

What is the symbol for a potassium ion after it loses one electron?

Back

K⁺

Front

Ionization energy is:

Back

how much energy it takes to remove an electron from an atom.

Front

Which has the greater electronegativity: Cl or Al?

Back

Cl

Front

Electronegativity is:

Back

how good an atom is at attracting electrons.

Front

What trend is observed in atomic radius as you move down a group in the periodic table?

Back

Atomic radius increases.

Front

What is the trend in ionization energy as you move across a period from left to right?

Back

Ionization energy increases.

Front

What is the trend in electronegativity as you move down a group in the periodic table?

Back

Electronegativity decreases.

Front

What is the definition of a cation?

Back

A positively charged ion formed by losing electrons.

Front

What is the definition of an anion?

Back

A negatively charged ion formed by gaining electrons.