States of Matter — definition?
Different forms matter can take, like solid, liquid, gas.
Solid — particle arrangement?
Particles tightly packed in fixed positions.
Liquid — shape?
Takes shape of container, definite volume.
Gas — particle spacing?
Particles widely spaced, move freely.
Change of State — involves?
Energy transfer without chemical change.
Kinetic Energy — increase during?
Heating, particles move faster.
Potential Energy — increases during?
Phase changes like melting or boiling.
Phase Transition — example?
Melting, boiling, condensation.
Physical Change — example?
Melting ice, boiling water.
Atoms — basic unit?
Building block of matter, nucleus + electrons.
Protons — charge?
Positively charged in nucleus.
Electrons — location?
Surround nucleus in electron cloud.
Atomic Number — equals?
Number of protons in atom.
Periodic Table — organizes?
Elements by increasing atomic number.
Matter — types?
Pure substances and mixtures.
Pure Substance — example?
Element or compound with uniform composition.
Mixture — example?
Physical blend of substances, separable.
Molecular Structure — composed of?
Atoms bonded covalently.
Lattice Structure — found in?
Crystalline solids with regular atomic pattern.
Elements — made of?
Only one type of atom.
Answer 10 questions on Fundamentals of Matter and Atomic Structure.
1. What does the term 'States of Matter' refer to?
2. Who is the author associated with the explanation of energy stored within an object or material, related to its position or state?
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