Across
- 3. a state of matter consisting of particles that have neither a defined volume nor defined shape
- 4. a property (as color, hardness, boiling point) of matter not involving in its manifestation a chemical change
- 9. a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances
- 11. A statement or conclusion that answers the original question/problem
- 13. chemically the simplest substances and hence cannot be broken down using chemical reactions
- 16. any substance that has mass and takes up space by having volume
- 17. the scientific word for burning
- 18. an element (e.g. arsenic, antimony, or tin) whose properties are intermediate between those of metals and solid nonmetals or semiconductors
- 19. the ability of a substance, usually a metal, to be deformed or molded into a different shape
- 20. a substance formed when two or more chemical elements are chemically bonded together
- 21. an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products
- 23. matter which has a specific composition and specific properties
- 25. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- 26. the form in which the number of atoms in a molecule is written
- 30. a notation used by scientists to show the number and type of atoms present in a molecule, using the atomic symbols and numerical subscripts
- 32. a substance that is formed as the result of a chemical reaction
- 34. when subjected to stress, it breaks with little elastic deformation and without significant plastic deformation
- 35. a substance that is present at the start of a chemical reaction
- 36. A representation or simulation for device structure, process equipment, or a management system
- 37. a substance that conducts heat, electricity, or sound only in very small degree
- 38. notice or perceive (something) and register it as being significant
Down
- 1. the sum of all solid and liquid particles suspended in air many of which are hazardous
- 2. a process in which one or more substances, the reactants, are converted to one or more different substances, the products
- 5. another word for element symbols
- 6. a guess what might happen based on observation the active acquisition of information from a primary source
- 7. a state of matter that has a definite volume but no definite shape
- 8. a characteristic of a substance that is observed during a reaction
- 10. a property that describes the ability of a material to stretch thin when tensile stress is applied
- 12. smallest unit into which matter can be divided
- 14. characteristics or behaviour of a sample which is large enough to see, handle, manipulate, weigh, etc
- 15. a chemical element that mostly lacks the characteristics of a metal
- 17. a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds
- 22. the symbolic representation of a chemical reaction
- 24. a state of matter characterized by particles arranged such that their shape and volume are relatively stable
- 27. a usually reversible change in the physical properties of a substance, as size or shape
- 28. a material which contains movable electric charges
- 29. the way light interacts with the surface of a crystal, rock, or mineral
- 31. that which tends to prove or disprove something
- 33. a substance which is lustrous, sonorous, ductile, and is a good conductor of heat and electricity