Across
- 3. nine most abundant elements in organisms
- 4. very dense, positively charged part of an atom
- 7. another way to answer snaps and texts when you want to say “k”
- 10. version of an element that can emit high energy particles or waves as it goes through fission
- 12. negatively charged particle found in atoms. Also determines chemical properties of an atom
- 13. minor component of an aqueous solution
- 14. a molecule or formula unit that is composed of 2 or more elements
- 16. location of an electron or electrons based on the amount of energy they have.
- 19. formed between a metal and an anion of an acid
- 21. specific type of atom that is unique to all other atoms based on the number of protons in its nucleus
- 22. two or more atoms covalently bonded together
- 23. subatomic particle with a mass of 1 amu and zero charge
- 24. usually 0-14 and can be used to describe the level of acidity in an aqueous solution
- 25. aka hydrogen ion
- 28. the major part of a solution; water in an aqueous solution
- 29. either an ionic bond or a covalent bond
- 31. anything that has a mass and volume
- 32. smallest form of matter that retains properties of an element
- 34. proton donor
- 35. proton acceptor
- 37. charged atom or molecule
- 41. number of protons in an atom and determines the identity of elements
- 43. bonds between two atoms sharing electrons equally or nearly equally (ΔEN‹ 0.4)
- 44. total number of protons and neutrons in an atom
- 45. a chemical bond that is formed when atoms share electrons to stabilize their electron configuration
Down
- 1. process that rearranges atoms by breaking and reforming chemical bonds
- 2. chemical bond formed by one atom of molecule donating electrons to another atom or molecule.
- 5. solution made by dissolving a solute in water
- 6. water molecules sticking to other molecules, e.g. cellulose
- 8. average kinetic energy of a system
- 9. electrostatic attraction between a molecule that contain hydrogen bound to an N or O and another molecule that contains an highly electronegative atom with a lone pair of elections.
- 11. energy contained within a system prior to transfer of that energy
- 13. caused by cohesion of of water molecules at the barrier between water and air
- 15. absorption of CO₂ in the oceans of the world resulting in the formation of carbonic acid
- 17. attractiveness an atom has for electrons in a covalent bond
- 18. the absorption of heat used to vaporize water, and used for temperature regulation, e.g. from a dogs tongue while panting
- 19. a homogenous mixture formed by dissolving solute into solvent
- 20. what pH stands for
- 26. the exhalation of water vapor through open stomata in plants
- 27. bonds between two atoms with unequal distribution of electrons in the bond (ΔEN› 0.4)
- 30. the sum of protons amu plus neutrons amu in amu units
- 33. ion stored in human bones and needed for muscle contractions
- 35. solution made from a weak acid that resists change in pH
- 36. subatomic particle with a positive charge
- 38. water sticking to other water molecules with hydrogen bonds
- 39. form of energy coming from the vibrational motion of molecules in a substance that is transferred from one substance to another
- 40. atoms of the same element that contain different numbers of neutrons in their nuclei
- 42. element that is needed in very small amounts in organisms, e.g. Fe in humans
