Chemistry Fall Semester Final

Front

What is the charge on a selenide ion?

Back

-2

Front

What was the first element formed after the Big Bang?

Back

Hydrogen

Front

What is nuclear fusion?

Back

The union of atomic nuclei to form heavier nuclei.

Front

How is Krypton (Kr) classified on the periodic table?

Back

Noble Gas

Front

Which element is found in period 6 on the Periodic table?

Back

Barium (Ba)

Front

What is the atomic number of Hydrogen?

Back

1

Front

What is the definition of an ion?

Back

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

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the periodic law?

Back

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

Front

What are the three main types of chemical bonds?

Back

Ionic, covalent, and metallic bonds.