Chemistry Fall Semester Review

Front

B and C are found in the ______ of an atom.

Back

Nucleus

Front

How many valence electrons does sulfur have?

Back

6

Front

A majority of the elements on the periodic table are____

Back

metals

Front

The electrons involved in chemical bonds ____

Back

are valence electrons

Front

What is the relationship between frequency and wavelength?

Back

they are inversely related

Front

What are valence electrons?

Back

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

Front

What is the atomic number?

Back

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

Front

Define an ion.

Back

An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.

Front

What is the difference between an ionic bond and a covalent bond?

Back

An ionic bond involves the transfer of electrons, while a covalent bond involves the sharing of electrons.

Front

What is the periodic law?

Back

The properties of elements are a periodic function of their atomic numbers.