What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). iodine

What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). barium

What is the name of this element, whose element symbol is shown below?  Enter the name in all lowercase. Pb

A solid object has a true mass of 71.5631 pounds.  A student measured the mass of the object in a lab, and their measured value is too low, with a percent error of 5.61%.  What was the measured mass of the object? Must show work for full credit.  Put your final calculated answer in a readable background color.

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What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). copper

Write the element symbol that matches each description.  Symbols must be written perfectly.  (1 pt each)   A)  Period 4 alkaline earth metal:  B)  Period 6 noble gas:  C)  Period 3 element with 5 valence electrons:  D)  Period 2 element that tends to easily form a 2+ charge:  E)  Element with 74 protons: 

What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). nitrogen

What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). silicon

What is the name of this element, whose element symbol is shown below?  Enter the name in all lowercase. I