Chemistry Mid-term Exam

Front

What is a positive ion called?

Back

Cation

Front

What do we call a vertical column in the periodic table?

Back

Group

Front

What do we call a horizontal row in the periodic table?

Back

Period

Front

What is the ion formed from Sulfur if it has 6 valence electrons?

Back

S^-2

Front

How many electrons would a Nitrogen ion gain/lose if it has 5 valence electrons?

Back

Gain 3

Front

What is an anion?

Back

A negatively charged ion.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons.

Front

What is a covalent bond?

Back

A chemical bond formed by the sharing of electron pairs between atoms.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is a Lewis electron-dot diagram?

Back

A diagram that shows the valence electrons of an atom as dots around the element's symbol.