Across
- 1. The basic building block of matter and the smallest unit into which matter can not be divided ? (page 26)
- 4. Substances that increase the rate of chemical reaction without themselves becoming chemically changed? (page 38)
- 7. When two or more atoms combine chemically, it is called? (page 31)
- 8. What happens when acids and bases are mixed?
- 9. This type of energy is inactive or stored? (page 25)
- 10. What energy results from the movement of charged particles? (page 24)
- 12. Part of calcium phosphate salt in bones and teeth. Also present in nucleic acids and part of ATP? (page 26)
- 13. Has a bitter taste and is a proton acceptor what am I ? (Page39)
- 18. Bonds that form when two non-metals share a pair of electrons? (page 33)
- 20. What element is a component of proteins and nucleic acids (genetic material)? (page 26)
- 24. What energy travels in waves? (page 24)
- 26. when molecules are broken are broken down into smaller molecules or atoms ? (page 36)
- 28. Which element has the atomic symbol Ca and is normally found in bones ? (page 25)
- 30. An ion with a negative charge is called? (page 32)
- 31. The more modern model of atomic structure is called the (.) model ? (page 26)
- 32. What kind of bond is commonly formed between water dipole molecules?(page 34)
- 33. The smallest atom, with just one proton and one electron, is? (page 28)
- 34. Simple sugars that are single-chain are called? (page 42)
- 37. Solution,colloids and suspension what substance am I ? (page 29)
- 38. what element is present in the bone and is important and is also cofactor in a number of metabolic reactions? (page 26)
- 40. Double sugars formed by two simple sugars joined by dehydration synthesis are called? (page 43)
- 42. compounds that lack carbon and tend to be small, simple molecules are called? (page 38)
- 43. Anything that occupies space and takes up mass? (page 24)
- 44. All matter is composed of? (page 25)
- 47. The acid that makes up the largest molecule in the body, the foundation of life called (-) acid.(page 53)
- 50. This reaction involves displacement and synthetic reaction and is called an exchange reaction otherwise known as (-) reaction ? (page 36)
- 51. Neutral subatomic particles that are uncharged are called? (page 25)
Down
- 2. Two or more atoms held together by chemical bonds are called? (page 28)
- 3. A liquid or gas in which smaller amounts of other substances, called solutes, can be dissolved or suspended is called? (page 29)
- 5. The substance on which an enzyme acts is called a?
- 6. Acid-base balance is carefully regulated by the kidneys, lungs, and a number of chemicals called? (page 41)
- 9. What bears a positive electrical charge? (page 25)
- 11. Both protons and neutrons have the same? (page 25)
- 14. which homogeneous mixture is transparent and is not visible to the male eye?(page 29)
- 15. What type of mixture is often called emulsions(page 30)
- 16. Which compound has 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms? (page 30)
- 17. What energy is energy in action? (page 24)
- 19. The negatively charged subatomic particle is the? (page 25)
- 21. The model depicting the general location of electrons outside the nucleus is called? (page 28)
- 22. Sugars and starches that contain carbon, hydrogen, and oxygen are called? (page 43)
- 23. Chain-like molecules made up of many similar or repeating units (monomers) are called? (page 42)
- 25. Subatomic particles with a positive electrical charge are? (page 26)
- 27. When smaller particles bond together to form larger, more complex molecules, it's called? (page 36)
- 29. idly shake check board that depicts the elements called (-) table ? (page 25)
- 35. When atoms gain or lose electrons during bonding, their positive and negative charges are no longer balanced, and these charged particles are called? (page 32)
- 36. When four hydrogen atoms combine with one carbon atom, they form what compound? (page 28)
- 39. Radiant energy is also known as (-) ? (page24)
- 41. An ion with a positive charge is called? (page 32)
- 45. Has a sour taste and is a proton donor. What am I?(page39)
- 46. Which model of the atomic structure is the simplified model? (page 26)
- 48. Bonds form when electrons are completely transferred from one atom to another? (page 32)
- 49. An ionic compound containing cations other than hydrogen ions and anions other than hydroxide ions is called? (page 39)