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Periodic Table   What is the total length of two pieces of rubber tubing which are 7.69 cm and 4.028 cm in length?  Express this answer with the correct number of significant figures.

Periodic Table   How many of the following numbers contain exactly 4 significant figures?             0.315              6.010              0.010              5.00 x 104

Periodic Table   An atom with an atomic number of 35 and a mass number of 69 contains _____ protons and _____ neutrons.

Periodic Table Which of the following is an example of a scientific theory?

Periodic Table   How many of the following numbers contain exactly 4 significant figures?             0.315              6.010              0.010              5.00 x 104

Periodic Table   Given the following list of densities, which materials would sink in a molten vat of glass   provided that they do not themselves melt?  Densities (g/mL):  lead = 11.4, glass = 2.6, gold = 19.3, charcoal = 0.57, platinum = 21.4.

This is not a test question but a reminder: Before you begin answering any questions: If you haven’t already, show the camera both sides of your blank scratch papers, your periodic table and your calculator.

Periodic Table  

Periodic Table Each symbol represents an element except

Periodic Table When measuring a solid metal block at constant temperature, which measurement will change in numerical value depending on the location where is taken?