Chemistry Sem1 Exam Review

Front

What are the three classifications of matter?

Back

Elements, Compounds, Mixtures

Front

Rank the following elements in order of ionization energy from smallest to largest: Be, Ca, Ra

Back

Ra, Ca, Be

Front

How many orbitals are on a p sublevel?

Back

3 orbitals

Front

How many electrons can a p sublevel hold?

Back

6 electrons

Front

Who is responsible for the model of the atom where electrons travel in specific paths or orbits around the nucleus?

Back

Bohr

Front

Where are nonmetals located on the periodic table?

Back

Nonmetals are located on the right side of the periodic table.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is ionization energy?

Back

The energy required to remove an electron from an atom or ion.