Across
- 1. Substances present in great amounts
- 4. Their composition is dissimilar in different areas of the mixture
- 8. The loss of charges from an atom
- 10. An ionic compound containing cations other than H+ and anions other than OH+
- 13. A reaction that releases energy
- 14. Diverse lipids cheifly derived from a 20-carbon fatty acid found in all cell membranes
- 15. Modified triglycerides
- 17. They have a bitter taste, feels slippery and are proton acceptors
- 19. The form stored in the bonds of chemical substances
- 21. Makes up 60-80% of the volume of most living cells
- 24. A chemical bond between atoms formed by the transfer of one or more electrons from one atom to another
- 26. A group of molecules that includes sugars and starches and represent 1-2% of cell mass
- 27. They are insoluble in water but readily dissolvable in organic solvents such as alcohol and ether
- 29. Possitively Charged
- 30. Energy directly involved in moving matter
- 33. Unique substances that cannot be broken down into simpler substances by ordinary chemical methods
- 34. Equal to the number of protons in its nucleus and is written as a subscript to the left of its atomic symbol
- 36. Two or more atoms held together by chemical bonds
- 38. Heterogeneous mixtures with large,often visible solutes that tend to settle out
- 39. Polymers of simple sugars linked together by dehydration synthesis
- 41. The sum of the masses of its protons and neutrons
- 42. An average of the relative weights of all the isotopes of an element
- 43. Composes 10-30% of cell mass and is the basic structural material of the body
- 44. Single-chain or single-ring structures containing from three to seven carbon atoms
- 47. They are neutral but the nucleus is overall positively charged
- 48. Elements that have two or more structural variations
Down
- 2. These are known as fats when solid and oils when liquid
- 3. They bare a negative charge but are equally strengthened to the postive charge of a proton
- 5. When shared electrons occupy a single orbital commons to both atoms
- 6. A double sugar formed when two monosaccharides are joined by dehydration synthesis
- 7. These are known as the building blocks of proteins
- 9. Substances present in small amounts
- 11. Globular proteins that act as biological catalyts
- 12. When an hydrogen atom is already covalently linked to one electronegative atom and is attracted by another electron-hungry atom so that a bridge forms between them
- 16. Substances that increase the rate of chemical reactions without themselves being chemically changed
- 18. The movements from charged particles
- 20. Substances that conduct an electrical current in solution
- 22. Elements are composed of more are less identical particles or building blocks known as
- 23. Homogeneous mixtures of components that may be gases,liquid or solid
- 25. Isotopes that experience radioactivity
- 28. This occurs when a mole is broken down into smaller molecules or its constituent atoms
- 30. Substances composed of two or more components physically intermixed
- 31. They have a sour taste and can react with many metals
- 32. The capacity to do work or put matter into motion
- 35. Homeostasis of acid-base balance is carefully regulated by thr kidneys,lungs and chemical systems
- 37. A net negative charge
- 40. A net positive charge
- 44. Anything that occupies space and has mass
- 45. Two or more different atoms binded together
- 46. Flat molecules made of four interlocking hydrocarbon rings