elements and Ionic vs. Covalent Bonding

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded together.

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout.

Front

What are the properties of metals?

Back

Metals are malleable, conductive, and lustrous.

Front

What are the properties of non-metals?

Back

Non-metals are brittle, not conductive, and dull.

Front

What is an ionic bond?

Back

An ionic bond is a chemical bond formed between a metal and a non-metal, where electrons are transferred from one atom to another.

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond formed when two non-metals share electrons.

Front

What is a metalloid?

Back

Metalloids are elements that have properties of both metals and non-metals.

Front

What is the atomic number of oxygen?

Back

The atomic number of oxygen is 8.

Front

What is the significance of protons in an atom?

Back

Protons determine the atomic number and identity of an element.

Front

What is the significance of neutrons in an atom?

Back

Neutrons contribute to the atomic mass and stability of an atom.