General Chemistry Lecture 2: Atoms, Ions, and Molecules

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5 Questions

What is a compound?

A pure substance made up of atoms of two or more elements

What is the central core of an atom called?

Nucleus

What determines the structure and properties of the matter composed of atoms?

Properties of atoms

How many energy levels do atoms have?

7

What is the composition of each shell in an atom?

Composed of one or more subshells, which are themselves composed of atomic orbitals

This lecture covers the composition of matter, elements, and compounds. It discusses the properties of matter, the concept of mass and weight, and the characteristics of elements and compounds.

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