States of matter — examples?
Solid, liquid, gas, plasma.
States of matter
Solid, liquid, gas, plasma.
Atomic nucleus — contains?
Protons and neutrons.
Physical properties
Measurable characteristics without changing composition.
Pure substances
Made of only one substance type.
Atomic nucleus
Central, dense, contains protons and neutrons.
Electron cloud
Region where electrons are found.
Protons' charge
+1 charge.
Melting point
Temperature where solid becomes liquid.
Тествайте знанията си с 10 въпроса по Fundamentals of Atomic and Molecular Chemistry.
1. Which statement best describes a pure substance?
2. What is matter defined as in physical science?
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