Unit 4 Review Flashcardzizz

Front

What is the measure of the ability of an atom to attract electrons?

Back

Electronegativity

Front

Atoms that have a high electronegativity, _______________.

Back

hold on to their electrons more tightly.

Front

How many Aluminum atoms are in Al₂O₃?

Back

2

Front

Ions are:

Back

atoms with a positive or negative charge.

Front

Metals (like Na) typically _____ electrons in the formation of ionic bonds.

Back

Lose.

Front

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

Back

Ionization Energy

Front

What is the term for the energy change when an electron is added to a neutral atom?

Back

Electron Affinity

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 type of bond is formed when electrons are shared between atoms?

Back

Covalent Bond

Front

What is the charge of a cation?

Back

Positive charge.