Welcome to Jeopardy! With your hosts…. Mrs. Einstein & Mr. Naturale Chemistry Unit 3 Welcome to Jeopardy! With your hosts…. Mrs. Einstein & Mr. Naturale
The smallest part of an element is an ______ The smallest part of an element is an ______. And it is made up of ______, ________ and ______.
The nucleus of an atom consists of _____ and _____.
Neutrons have a _______ charge, and protons have a ________ charge.
g/ml Kg/ml g/cm
Percentage error tells you… Mass Density Accuracy Precision Accepted Value
So when 2 measurements are close to each other they are… Accurate Accurate and Precise Precise Precise and Accepted value Accepted value
Which Unit is GREATER? 1 nanogram 1 centigram 1 milligram 1 microgram
Which is a derived unit? Length Mass Density Volume None of these
The unit mL is used to express Length Mass Density Volume Meters
The BEST unit for mass is ______ The BEST unit for mass is ______. While the BEST unit for amount is _______. kilogram and kelvin gram and centimeter centimeter and mol meter and mol gram and mol kilogram and centimeter milliliter and mol
Using the METRIC conversion table, convert 0.014 L to: mL________ Km________ Um________
Convert the following…… 1) 20 cm = ______________ m 2) 0.032 L = _____________ mL 3) 45 m = ______________ nm 4) 805 dm = ______________ km
Are these Qualitative or Quantitative? ___________________The chemical reaction yielded 3.22 moles of product. ________________ The salt aided in the dissolving of the solid. ________________The solution is 0.102 M NaCl.
How do you get a DERIVED unit?
Scientific notation…..the exponent will be _______if you go to the right & _____ if you go to the _______left.
Convert the below using scientific notation: 124 = _______ 93000.00 = _________ 0.00000000043 = ________
Find the mass of 250. 0 mL of benzene. The density of benzene is 0 Find the mass of 250.0 mL of benzene. The density of benzene is 0.8765 .GO… 250 ml Times 8765/1ml = 219.125 g
So a block of LEAD has dimensions of 4.50 cm by 5.20cm by 6.00 cm. The BLOCK literally weighs 1587g….SO what’s the density of the LEAD? GO
So a student in Chemistry is completing a measuring lab So a student in Chemistry is completing a measuring lab. She found the measurement to be 3.40cm. The correct value is 3.36 cm. Calculate the percentage error?
Dimensional Analysis: HOW many seconds are there in 782 minutes? _________