Chemistry Midterm Review

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

How many valence electrons does an element in group 16 have?

Back

6

Front

What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

Front

How would you classify NaCl?

Back

NaCl is classified as a compound.

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond formed through the transfer of electrons from one atom to another, resulting in the attraction between oppositely charged ions.

Front

Which pair of atoms will form ionic bonds?

Back

Mg and O will form ionic bonds.

Front

What are Alkali Earth Metals?

Back

Alkali Earth Metals are the elements in group 2 of the periodic table, which include Beryllium and Magnesium.

Front

What does the symbol 'Na' represent in chemistry?

Back

'Na' represents the element symbol for Sodium.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.