Chemistry Homework #6

Pg 51 #19-24

19. A. CARBON: 6 PROTONS 6 electrons

B. ALUMINUM: 13 protons 13 ELECTRONS

C. LEAD: 82 PROTONS 82 electrons

D. CHLORINE: 17 protons 17 ELECTRONS

20. A. SULFUR: 16 PROTONS  18 ELECTRONS: not electrically neutral

B. IRON: 26 PROTONS  24 ELECTRONS: not electrically neutral

C. SILVER: 47 PROTONS  47 ELECTRONS: is electrically neutral

D. IODINE: 53 PROTONS  54 ELECTRONS: not electrically neutral

21. A. ANION

B. NEUTRAL ATOM

C.  NEUTRAL ATOM

D. CATION

E. CATION

22. A. GAINING ELECTRONS

B. NEITHER

C. NEITHER

D. LOSING ELECTRONS

E. LOSING ELECTRONS

23. A. HYDROGEN WITH 1 PROTON AND 1 ELECTRON: H

B. SODIUM WITH 11 PROTONS AND 10 ELECTRONS: Na⁺

C. CHLORINE WITH 17 PROTONS AND 18 ELECTRONS: Cl^-

D. ALUMINUM WITH 13 PROTONS AND 10 ELECTRONS: Al³⁺

24. A. Potassium iodide; KI

B. Calcium Sulfide; CaS

C. Iron Bromide; FeBr₃

D. Barium Hydroxide; BaOH₂

E. Ammonium Phosphate; (NH₄)₃ PO₄

F. Aluminum Oxide; Al₂O