Amplify - Chemical Reactions - Chapter 1 Flashcard

Front

What is a molecule?

Back

A group of atoms joined together in a particular way.

Front

What is the definition of 'repeating groups of atoms'?

Back

Substances made of the same group of atoms repeated over and over.

Front

Can all properties used to distinguish substances be found with visual observations?

Back

False.

Front

What is the best evidence to use when examining a substance?

Back

White, small, grainy, crystals.

Front

What does 'scale' refer to in science?

Back

The relative size of things.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What is an extended structure?

Back

Substances that in solid phase are made of many atoms or groups of atoms that connect to form large structures called crystals.

Front

What is the difference between a molecule and an extended structure?

Back

A molecule is a group of atoms bonded together, while an extended structure is a large network of atoms or molecules.

Front

What is a property in chemistry?

Back

A characteristic used to describe a substance.

Front

What is the significance of visual observations in science?

Back

They can provide initial information but are not sufficient for all properties.