★ Must-know
Further detail
1. What distinguishes an element from a molecule?
2. What is an element in the context of molecular organization?
3. Which group contains the elements that make up most atoms in living things?
What is an element in terms of atoms?
An element is a kind of atom with its own characteristic properties.
Element - Definition
A type of atom with specific properties.
Which atoms are most common in living things?
Oxygen, carbon, hydrogen, and nitrogen are most common in living things.
Molecule - Formation
Atoms bonded together to form a substance.
What are the three types of subatomic particles in atoms?
Protons, electrons, and neutrons.
Major atoms in living things
Oxygen, carbon, hydrogen, nitrogen.
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