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.
Why do atoms usually have no electrical charge?
Because they have equal numbers of protons and electrons.
Water molecule composition
One oxygen atom and two hydrogen atoms.
Atom charge on own
Usually uncharged due to equal protons and electrons.
Ions - Explanation
Atoms with electrical charge after gaining or losing electrons.
Covalent vs Ionic bonds
Covalent shares electrons; ionic transfers electrons.
Teste tes connaissances avec un QCM de 10 questions sur Water, Atoms, and Solutions.
1. What distinguishes an element from a molecule?
2. What is an element in the context of molecular organization?
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