Table of Contents
What is a pure substance containing two or more kinds of atoms?
Compounds: • A pure substance containing two or more kinds of elements. • The atoms are chemically combined in some way. Often times (but not always) they. come together to form groups of atoms called molecules.
What is a substance that contains 2 or more elements?
Compound : A substance made of two or more elements that are chemically combined in fixed amounts.
What is the two substance?
The two main types of pure substances are compounds and elements.
What contains a pure substance?
Examples of pure substances include tin, sulfur, diamond, water, pure sugar (sucrose), table salt (sodium chloride) and baking soda (sodium bicarbonate). Crystals, in general, are pure substances. Tin, sulfur, and diamond are examples of pure substances that are chemical elements. All elements are pure substances.
Which item is a pure substance?
Elements can NOT be separated into other types of matter (physically or chemically). Therefore, elements are pure substances. Ex: Hydrogen gas is a pure substance, as it is made up of only Hydrogen atoms or molecules. Carbon, gold, & nitrogen are other elements (pure substances).
What is pure substance and its types?
Pure Substance: The substances that are free from any kind of mixture and contain only one kind of particle are pure substances. Examples of pure substances include iron, aluminum, silver, and gold. Mixtures: Substances that have two or more different particles are mixtures.
What is an example of a pure element?
Pure Substances
| Pure Substance | Element or Compound? | Consists of: |
|---|---|---|
| Lead (Pb) | element | lead atoms |
| Oxygen gas (O2) | element | oxygen molecules* |
| Water (H2O) | compound | water molecules |
| Ammonia (NH3) | compound | ammonia molecules |
What are pure substance give two example of pure substance?
Few examples of pure substances include steel, iron, gold, diamond, water, copper, and many more. Air is also often considered as a pure substance.