Lab Safety/Equipment
If you were trying to get an accurate reading on the amount of liquid you have, what would you use?
What is a graduated cylinder?
What is a tentative explanation about what has been observed?
What is hypothesis?
Salt dissolves in water forming a solution with sodium (Na+) and chloride (Cl -) ions. What could be done to speed up the rate at which salt dissolves?
What is heat it?
An isotope of chlorine has 17 protons and 18 neutrons. What is the mass number (atomic mass) for the isotope of chlorine?
What is 35?
The name for H20.
What is water, or dihydrogen oxide?
What would be used if you were needing to shake substances for a reaction?
What is Erlenmeyer flask?
What branch of chemistry studies the environmental impact of chemicals?
What is Environmental Chemistry?
Vinegar is a solution of two liquids: water and acetic acid. Most vinegar contains 95 percent water and 5 percent acetic acid. In vinegar, acetic acid is
What is a solute?
In the periodic table, which group or family of elements has only one valence electron in its outer shell?
What is the alkali metals?
The name for B2O3.
What is diboron trioxide?
What is the first thing you do when performing a lab?
What is put on safety goggles?
Where is the ozone layer located?
What is stratosphere?
If 80 g of lead has a dimension of 2cm X 3cm X 5 cm, what would be the density of lead?
What is 2.67 g/cm cubed?
Why do atoms of elements have neutral charges?
The formula for diphosphorous hexabromide?
What is P2Br6
What piece of lab equipment would be best to use if you need to stir the contents of a test tube while heating of a bunsen burner?
What is glass stir rod?
Saying a beaker weighs 6.4 grams is what type of data?
What is quantitative?
What law relates the temperature and volume of a gas at a fixed pressure?
What is Charles' Law?
Who created the periodic table?
Who is Mendeleev?
The name for MgCl2?
What is magnesium chloride?
What is analytical?
Sally places a piece of red and blue litmus paper in an unknown solution. She notices that the red litmus paper stays red and the blue litmus paper turns red. Which of the following statements is true of the unknown solution?
The unknown solutions contains hydrogen ions?
Who is the scientist that discovered the nucleus through his “gold foil” experiment?
Who is Rutherford?
The formula for aluminum selenide?