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Predicting Properties. Periods. The seven horizontal rows on the periodic table. Which of the following elements are in the same period?. A) Li, K, Rb , Cs B) Na, Al, Pb , Br C) Rb , Tc , Ag, Sn. Groups or Families. Each vertical column Elements with similar properties.
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Periods • The seven horizontal rows on the periodic table
Which of the following elements are in the same period? • A) Li, K, Rb, Cs • B) Na, Al, Pb, Br • C) Rb, Tc, Ag, Sn
Groups or Families • Each vertical column • Elements with similar properties
Predicting properties • The boiling point of silicon is 3267 0C and the boiling point of tin is 26030C. What is the estimated boiling point of germanium?
Predicting formulas • Carbon and oxygen form carbon dioxide (CO2) • What formula would be predicted for a compound of carbon and sulfur?
Formulas for known compounds: • NaI, MgCl2, CaO, Al2O3, CCl4 • Predict the formula for a compound formed from: • A) C and F • B) Al and S • C) K and Cl • D) Ca and Br • E) Sr and O