5 Questions
What are substances made of just one kind of atom called?
Elements
How many naturally occurring kinds of atoms are there?
92
What is the reason for the great variety of substances in the world?
Atoms of different elements join together to form compounds
What would be the number of different substances in the world if atoms were only found in their elemental form?
About 100
What do chemists study in relation to substances?
How they change through the rearrangement of their atoms
Study Notes
Atoms and Substances
- Substances made of just one kind of atom are called elements.
- There are 92 naturally occurring kinds of atoms, or elements.
- The great variety of substances in the world is due to the combination of atoms in different ways.
- If atoms were only found in their elemental form, there would be 92 different substances in the world.
- Chemists study the composition, properties, and reactions of substances, including the way atoms combine to form them.
Test your knowledge of atoms and elements with this fun quiz! Learn about the different types of atoms and how they combine to form elements. Explore the periodic table and discover the building blocks of matter.
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