Intro to Elements, Compounds, & Mixtures Flashcard

Front

What does homogeneous mean?

Back

A uniform mixture that looks the same throughout.

Front

What does heterogeneous mean?

Back

A mixture with distinct, separate components.

Front

What three words are typically found in a hypothesis?

Back

If, then, because.

Front

What is the atomic mass?

Back

The total number of protons and neutrons in an atom.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

How do you find the number of neutrons in an atom?

Back

Subtract the atomic number from the atomic mass.

Front

Where are electrons located in an atom?

Back

Orbiting the nucleus.

Front

What is a pure substance?

Back

A material made of only one type of particle.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.