The scientist who proposed the first atomic theory
What is Dalton
100
what you call a piece of lab equipment used to determine the mass of an object
What is balance or scale
200
The atomic mass of Helium
What is 4.0 g
200
the molar mass of Hydrogen gas (H2)
What is 2
200
The molarity of a solution that contains 1.6 mol of NaCl dissolved to make 2.0 L of solution.
What is 0.8 M
200
The founder of the modern periodic table
What is Mendeleev
200
the type of nuclear decay represented by a Helium atom
What is alpha decay
300
The atomic number of Calcium
What is 20
300
the molar mass of Carbon Dioxide
What is 44 g/mol
300
the number of moles present in 65 g of NaCl
What is 1.12 mol
300
The scientist who is well known for studying radioactive materials
What is Curie
300
the pH of a solution with [H]= 1.0 x 10 ^ -9
What is 9
400
The atomic mass of Sodium
What is 23 g
400
the molar mass of Magnesium Chloride
What is 94 g/mol
400
the density of an object that has a volume of 12 mL and a mass of 24 grams.
What is 2 g/mL
400
The scientist who defined a mol as 6.02 x 10^23
What is Avogadro
400
the best wayy to determine the volume of an irregularly shaped object
What is water displacement method
500
the atomic number of Carbon
What is 6
500
The molar mass of Oxygen gas
What is 32 g/mol
500
The number of milligrams in 27 cg
What is 270 mg
500
The scientist who used the Cathode Ray Tube to come up with his Plum Pudding Model of atoms
What is Thomson
500
A gas that occupies 2.5 L at 100 C is allowed to expand as it is heated until it occupies 3.5 L of space. What would be the final temperature, in CELSIUS, of the gas?