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Study the naming of elements in English and solve the crossword.

actinium - Ac aluminum - Al americium Am antimony - Sb argon - Ar arsenic - As astatine - At barium - Ba berkelium - Bk beryllium - Be bismuth - Bi boron - B bromine - Br cadmium - Cd caesium - Cs calcium - Ca californium - Cf carbon - C cerium - Ce chlorine - Cl chromium - Cr cobalt - Co copper - Cu curium - Cm dysprosium - Dy einsteinium - Es erbium - Er europium - Eu fermium - Fm fluorine - F francium - Fr gadolinium - Gd gallium - Ga germanium - Ge gold - Au hafnium - Hf helium - He holmium - Ho hydrogen - H indium - In iodine - I iridium - Ir Iron - Fe krypton - Kr lanthanum - La lawrencium - Lr lead - Pb lithium - Li lutetium - Lu magnesium - Mg manganese - Mn meitnerium - Mt mendelevium - Md mercury - Hg molybdenum - Mo neodymium - Nd neon - Ne neptunium - Np nickel - Ni niobium - Nb nitrogen - N nobelium - No osmium - Os oxygen - O palladium - Pd phosphorus - P platinum - Pt plutonium - Pu polonium - Po potassium - K praseodymium - Pr promethium - Pm protactinium - Pa radium - Ra radon - Rn rhenium - Re rhodium - Rh rubidium - Rb ruthenium - Ru samarium - Sm scandium - Sc selenium - Se silicon - Si silver - Ag sodium - Na strontium - Sr Sulphur - S tantalum - Ta technetium - Tc tellurium - Te terbium - Tb thallium - Tl thorium - Th thulium - Tm tin - Sn titanium - Ti tungsten - W unnilhexium - Unh unniloctium - Uno unnilpentium - Unp unnilquadium - Unq unnilseptium - Uns uranium - U vanadium - V xenon - Xe ytterbium - Yb yttrium - Y zinc - Zn zirconium - Zr

 

 

19 Discuss elements.

 

a) Describe one element to your partner and let him/her guess which one it is.

Focus on the following points:

 

physical and chemical properties, occurrence in nature, laboratory preparation,

industrial production, use of the element and its compounds

 

b) Which element/s do you consider the most important and why?


Date: 2015-01-12; view: 195


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