Monday, June 24, 2013

ISBS pg. 51 #19-24

19)
a. 6 electrons
b. 13 protons
c. 82 electrons
d. 17 protons

20)
a. no
b. no
c. yes
d. no

21)
a. anion
b. nuetral atom
c. neutral atom
d. cation
e. cation

22)
a. gaining electrons
b. niether
c. niether
d. losing an electron
e. losing electrons

23)
a. H
b. Na+
c. Cl-
d. Al₃+

24)
a. KI - potassium, iodine
b. CaS - calcium, sulfur
c. (Fe)(Br)3 - iron, bromine
d. (Ba)(OH)2 - barium, oxygen hydrogen
e. (NH₄)(PO₄)3 - nitrogen hydrogen, phosphorus oxygen
f. (Al)3(O)2- - aluminum, oxygen

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