Who's That Scientist
Was the first "chemist" and quantified the relationship between pressure and the volume of air
Robert Boyle
Name the symbol, and atomic number for the following elements:
- Hydrogen
- Sodium
- Copper
- Magnesium
- Hydrogen = H, 1
- Sodium = Na, 11
- Copper = Cu, 29
- Magnesium = Mg, 12
Convert the number of moles of ammonium chloride (NH4Cl) into grams.
0.436 moles of ammonium chloride
23.3 grams
Express the following number in scientific notation:
2,000,000,000
2 x 109
What does the number of protons in the nucleus of an atom determine?
Its atomic number
Stated the Law of conservation of mass
Antoine Lavoisier
Name the element and atomic number for the following elements:
- Li
- Zn
- Mn
-I
- Lithium, 3
- Zinc, 30
- Manganese, 25
- Iodine, 53
Convert the number of moles of aluminum iodide (AlI3) into grams.
0.031 moles of aluminum iodide
12.63 grams
Calculate the answer and use the correct number of significant figures:
(12.32)(0.50)(140) =
8.6 x 102
What is my major?
Biochemistry and Biology
Proposed the atomic theory
John Dalton
Name the symbol and atomic number for the following elements:
- Potassium
- Selenium
- Boron
- Calcium
- K, 19
- Se, 34
- B, 5
- Ca, 20
Convert the mass of sodium chloride (NaCl) into moles:
23.5 grams of sodium chloride
0.40 moles
Calculate the answer and use the correct number of significant figures:
(17.3) / 8 =
2
What is my career goal?
Conducted experiments using cathode-ray tubes that lead to the discovery of the electron
J.J. Thomson
Name the element and atomic number for the following elements:
- Ag
- Hg
- Pb
- Au
- Silver, 47
- Mercury, 80
- Lead, 82
- Gold, 79
Convert the mass of potassium permanganate (KMnO4) into moles.
79.9 grams of potassium permanganate
0.51 moles
Convert into decimal form:
0.35 x 10-6
0.00000035
What is a chemical bond between two atoms involving six electrons called?
A triple bond
Determined the charge of an electron using the oil-drop experiment
Robert Millikan
Name the element and its symbol from the following atomic numbers:
- 24
- 8
-31
- 26
- Chromium, Cr
- Oxygen, O
- Gallium, Ga
- Iron, Fe
Convert the number of moles of magnesium phosphate - Mg3(PO4)2 into grams.
1.077 moles of magnesium phosphate
283.1 grams
Solve and write your answer in scientific notation:
(0.9 x 104)(1.14 x 107)
1.026 x 1011
What are the seven diatomic elements on the periodic table?
H2, N2, F2, O2, I2, Cl2, Br2
Have No Fear Of Ice Cold Beer, or
I Bring Cookies For Our New Home