PPT-Do Now - Ions Test Positive Ions

Negative Ions H Al H OH Li Ag F NO 3 Na Zn Cl HCO 3 K NH 4 Br CO 3 Ca I SO 4 Mg S PO 4 Ba O Formulas and Equations Using the table to the right and the PT Write formulas for . Chemistry. What is qualitative analysis. Qualitative analysis is used to determine the chemical composition of an unknown substance. Below is a list of some simple tests used to determine the presence of numerous anions and . DEFINITION. Absolute . Convergence. Verify that the series. converges absolutely.. This series converges absolutely because the positive series . (. with . absolute values. ) is a . p. -series with . The ions are arranged in a lattice. There is attractive electrostatic forces between the ions which are very strong e.g. sodium chloride ionic lattices. . Give two properties of giant ionic structures. . Isotopes. Isotopes. : atoms of the same element that have different numbers of neutrons. Two isotopes of an element will have the same atomic number, but different mass numbers (and atomic masses). CARBON (above right). SNC2D. Polyatomic Ions. Polyatomic ions are groups of atoms that tend to stay together and carry an overall ionic charge. The ion is typically held together with covalent bonds. The polyatomic ion is capable of bonding with other ions. Halogen displacement reactions. http://www.youtube.com/watch?v=Y06IoBUeVbw. Test for halide ions. http://www.youtube.com/watch?v=7F4JhrBWdY4. . Conc. Sulphuric acid and halides. http://www.youtube.com/watch?v=OoS3q1C8zts. Many ions are monoatomic BUT. Most ions are polyatomic (>1 atom). 330.07.01b.Names & Formulas - Polyatomic. There are . five common polyatomic. ions:. nitrate NO. 3. –. carbonate CO. 3. 2– . How to proceed. Positive result….. It doesn’t have to be a panicking situation.. How to Proceed. Retest the sample:. The SAME sample must be retested by the SAME analyst using the SAME test in DUPLICATE along with a positive and negative control.. How elements become charged. How elements become charged. ION – A charged atom. All elements on the periodic table are NEUTRAL because they have the same number of . protons (+) and electrons (-). “Observation of a discrete time crystal,” . J. Zhang, P.W. Hess, A. . Kyprianidis. , P. Becker, A. Lee, J. Smith, G. Pagano, I.D. . Potirniche. , A.C. Potter, A. . Vishwanath. , N.Y. Yao, . and.  C. . What are we testing to find?. Halides. are salts that contain halogens, which include chlorides, bromides and iodides.. Chlorides, bromides and iodides are negative ions - negative ions are called anions.. MACROSCOPIC SCALE. Elements combine to make compounds.. ATOMIC SCALE. Atoms combine to make molecules, or extended structures.. What we’ll cover…. Compound Formulas. Ions. Monatomic. Polyatomic. Ionic Compounds. Valence electrons. Valence electrons. . are . those electrons . that are . lost. . or . gained. . when . elements combine.. Nonmetals. will . gain. electrons . when forming . compounds. They . become . Why do we care about the major ions?. What . is the composition of seawater?. What defines Major Ions? . What are their concentrations?. What are their properties?. Density: . distributions . and . controls (salinity and temperature).