Please note: email me at angela at radiofreephoenix.com if anything here alarms you or if it's just not right (might occur with the polyatomic for ammonia, and I'm totally serious)
THANK YOU!

Scientific American article on Neutrinos

"OIL RIG" = oxidation is loss, reduction is gain

  1. SOLID retains its shape & volume.
  2. ISOTOPES have the same number of protons but different numbers of neutrons
  3. A pure substance that can be decomposed into simpler substances by chemical means is a COMPOUND.
  4. TRUE OR FALSE: An oxidizing agent loses electrons in an oxidation reaction
    FALSE    : The ATOM loses the electrons.
  5. Mass number is the number of PROTONS and NEUTRONS (this number is something she gives us - it's not on the table).
  6. Atomic number is the number of PROTONS IN THE ATOM.
  7. What "family" is Group VII A (7a) elements? HALOGENS
  8. What family is group IA (1a) elements? ALKALI METALS
  9. Name:


    CaCl2 = Calcium Chloride
    Sr(OH)2= Strontium(II)Hydroxide
    Sn(SO4)2 = Tin(IV) Sulfate
    C Cl4 = Carbon Tetrachloride
    SiS2 = Silicon Disulfide

  10. Write the formula:
    Lead (IV) Phosphate PB3 (P04)4
    Hydrogen Fluoride HF
  11. Sodium Cyanide NaCn
  12. Copper(II) Bromide Cu2Br
  13. Carbon DiSulfide CS2

  14. TABLE:

    Element

    14    
    C +2
    6        

    40
    Ca+2
    20
    80
    Br-1
    35
    41
    K+1
    19
    31
    P-3
    15
    Atomic No.
    6
    20
    35
    19
    15
    Mass # (she provides this)
    14
    40
    80
    41
    31
    # Protons
    6
    20
    35
    19
    15
    # Neutrons
    8
    20
    45
    22
    16
    # Electrons
    6
    18
    36
    18
    18

  15. TRUE OR FALSE: Elements in same row of periodic table have similar characteristics (FALSE)
  16. Allotropes are…
  17. IONIC Bond forms when oppositely-charged ions are attracted.
  18. TRUE OR FALSE: Amount of energy released when wood is burned is less than the amount of solar energy absorbed during the formation (FALSE)
  19. MeI2 is a stable ionic compound. What kind of compond is formed if "M" were to bond with oxygen? MO
  20. TRUE OR FALSE: Atoms that are neutral are more stable than atoms with a charge FALSE
  21. How many valence electrons does Phosophorus have? 5
  22. Krypton has a valence of 0
  23. What group of elements will most likely form +3 ions? VII A
  24. What group of elements are known as the ALKALI METALS: IA
  25. Formula weight of K2CO3 is 138
    K (Potassium)Atomic weight = 39; 2 = 78;
    plus C (Carbon) Atomic weight which is 12,
    plus 3 O (Oxygen) Atomic weight which is 16, or, 48.
  26. Percentage of "K" in the above formula is 56.5% (78 / 138)
  27. Empirical Formula for C6H12O6 (a sugar): CH20
  28. How many "O" atoms in the following molecule: 3 Ca(SO4) TWELVE
  29. (Semiconductors are elements along the "stairstep" line separating left-side metals from right-side NONmentals);
    Some of the elements near the semiconductors exhibit ALLTROPIC FORMS, which means that the same element can have several different structures with very different physical properties. Carbon atoms, for example, are joined differently in diamond, graphite and charcoal. All three are made of the element carbon, but all three have different physical properties.
  30. 3 Perchlorate ...


    The suffix "-ate" means the polyatomic ion with ome more oxygen atom than the "-ite" ion.
    Ex:     Chlorate ion is (CIO3)-
              Chlorite ion is (CIO2)-

    P. 268: Sometimes more than two possibilities exist; and more ixygen atoms are identified with the prefix "PER-" and less with the prefix "HYPO."
        PerchlorATE ion is (CIO4)-
        HypochlorITE ion is (CIO)-


    Valence = "number of parking spaces"
    Electron Valence = the # electrons in the outer shell p.258

"on #9 the name game = or is it the=20 crying game, the 2nd one was = Sr(OH)2=20 and Strontium(II)Hydroxide but no=20 biggie and the next one=20 Sn(SO4)2 Tin (IV)Sulfate - why isn't it=20 sulfIDE???" - Nancy

"Nancy, I don't know - It was in my notes, though" -Angela - later: "Hi, Nancy, I have the book out; in column 2 of page 267, At the top of that paragraph directly under Ionic Compound Names is this:"
"Ionic compounds formed by representative metal ions are named by stating the name of the metal (POSITIVE ION) first, then the name of the nonmetal (NEGATIVE ION)."

Then, it states:
"Ionic compounds formed by variable-charge ions of the transition elements have an additional rule to identify which variable-charge ion is involved. (it goes through the old way, then picks up with the new stuff in the next paragraph) The newer system uses the English name of the metal with Roman Numerals in parentheses to indicate the charge number. Thus, an iron ion with a charge of 2+ is called an iron(II) ion, and an iron ion with a charge of 3+ is called an iron(III) ion.