Atoms Bond Together To Make Molecules and Compounds Flashcards
What are molecules?
2 or more atoms(can come from different or the same elements) chemically bonded together.
What is a molecular substance?
A substance consisting of 2 or more atoms chemically bonded together.
Given an example of a molecular element.
Oxygen
Give an example of a molecular compound.
Water
What is a molecular compound?
A singular molecule that is chemically bonded consisting of 2 or more atoms from different elements.
What is a molecular element?
A singular molecule that is chemically bonded consisting of 2 or more atoms from the same element.
Are most substances we use molecular elements or molecular compounds?
Molecular compounds, for example, we use water in our everyday life. Water is a molecular compound.
How are molecular compounds produced?
They can be formed in factories or found in natural products.
Name some important compounds.
Pharmaceuticals, fertilisers and polymers.
What is a mixture?
2 or more substances that are physically combined.
How can mixtures be separated?
Through physical techniques, such as distillation or filtration.
How can compounds be separated?
Through chemical techniques such as reacting with other substances, combustion and passing electricity through it.
Give an example of compound separation.
The Hoffman Voltameter is able to separate the compound H2O through passing electricity through it.
What is a polymer?
A chemical compound with molecules made by groups of atoms that repeat over and over again.
Give an example of a polymer.
DNA, cellulose and wool.
