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Vocab
Structure
The Periodic Table
Counting atoms
Random
100
Mass is neither created nor destroyed during ordinary chemical reactions
What is law of conservation of mass
100
What do we call the center of an atom?
What is the nucleus
100
Where do we find the atomic number on the periodic table?
What is top of each box for the element
100
What number do we use when talking about particles, atoms, or formula units?
What is 6.02 x 10^23
100
If an atom loses 3 electrons, what type of charge does it have?
What is +3
200
The smallest particle of an element
What is an atom
200
What are the three subatomic particles and what are there charges?
What is Protons-positive, neutrons-neutral, electrons-negative
200
What is the atomic mass of chlorine?
What is 35 amu
200
What is the atomic mass of Iodine
What is 127 amu
200
What national disaster is measured on a richter scale?
What is an earthquake
300
the number of protons of each atom of that element
What is atomic number
300
Where do we find the electrons in an atom?
What is the electron cloud
300
How many protons does lithium have?
What is 3
300
What is the molar mass of Krypton?
What is 84 g/mol
300
What is the capital of Washington?
What is Olympia
400
atoms of the same element that have different masses
What is an isotope
400
What type of charge does an atom most commonly have?
What is a neutral charge
400
How many neutrons does Oxygen have?
What is 8
400
Write the conversion for changing 2.5 grams of Oxygen into moles.
What is 2.5 grams x (1 mol/16 grams)
400
What do the S, V, and P stand for in RSVP?
What is S'il vous plait
500
The number of particles in exactly one mole of a pure substance
What is Avogadro's Number
500
What are the masses of the three subatomic particles?
What is Protons and Neutrons - 1, electrons - 0
500
What are the columns called on the periodic table?
What is groups
500
Write the conversion factor for turning 5 grams of Hydrogen into atoms.
What is 5 grams x (6.02x10^23 / 1 g) =
500
Who reasoned that elements were composed of atoms and that only whole numbers of atoms could combine to form compounds.
What is John Dalton