Acid & Base Terms

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Across
  1. 2. Used for measuring how "pumpkin spice" someone is.
  2. 5. Experience the emotional aftermath of a terrible breakup. (2 words)
  3. 6. Extremely biting and sarcastic
  4. 8. A colorful drip?
  5. 10. “Sensing” deep, unresolved resentment toward an old rival. (2 words)
  6. 14. The minus-sign-wearing remnant (2 words)
  7. 16. Svante's designated safe zone in a game of tag? (2 words)
  8. 19. Surrenders all of one's subatomic positivity to the enemy? (2 words)
  9. 20. He who enthusiastically welcomes the 8th letter?
Down
  1. 1. The scientist duo who swooped in to extend the definition of acids and bases, fixing the flaws of the older model (2 words)
  2. 3. Possessing the musical beat and groove of a lumberjack?
  3. 4. Wearing Uggs, drinking Starbucks, and rewatching The Office for the 14th time, according to internet slang.
  4. 7. Breaking down Spanish verbs while on a hallucinogenic trip? (2 words)
  5. 9. Swedish sourpuss? (2 words)
  6. 11. Dr. Jekyll's watery & villainous alter-ego?
  7. 12. A chemical ceasefire that results in nothing but harmless saltwater.
  8. 13. the stronger “m”
  9. 15. Is incredibly hard to pin down in an argument, like a shady politician or an eel. (2 words)
  10. 17. A faux-element that sounds well-watered
  11. 18. Philanthropist?