Atoms
What are the three Subatomic Particles?
Electrons, Neutrons, Protons
How many isotopes does Hydrogen have?
3
How is the periodic table organized?
By atomic mass, atomic number, and state of matter
A solution in which water is the dissolving medium or solvent.
Aqueous Solution
What two Subatomic Particles make up the Nucleus?
Protons, Neutrons
What is the number of protons in Lithium-7?
3, Atomic Number = 3
What element is at the cross-section of Group 16 and Period 4?
Selenium (Se)
What is one unit of measure for Volume?
cm3, mL, L
A theory that states that all matter is made of individual particles called atoms.
Atomic Theory
Which model of the atom shows the atom as mostly empty space?
Rutherford's Model
If we are looking at a Boron-11 isotope, what would our number of neutrons be?
6, 11 - 5 = 6
Where are the Alkaline Metals located?
Group 2
If the volume of a wooden block is 6cm3 and the density is 3 g/cm3, what is the mass of the wooden block?
Mass = density * volume
Mass = 3 * 6 = 18g
Atoms of the same element with different numbers of neutrons.
Isotope
What subatomic particle did the Gold Foil Experiment discover?
Protons
How many electrons are in Hydrogen-3?
1, same as atomic number
Where are the Noble Gasses?
Group 18
If the density of an object is 4 g/mL and the mass is 24g, what is the volume?
24g / 4g/mL = 6mL
The amount of space a sample of matter occupies.
Volume
What charge does any regular atom have?
Zero
What is the Atomic Mass of Carbon-13?
13 amu
What is the state of matter of Arsenic (As)?
Metalloid
What is the density of a 21kg fish bowl with a volume of 3mL?
21kg / 3mL = 7 kg/mL
A characteristic, such as boiling point or density, that does not depend on the size or amount of matter and can be used to identify matter.
Intensive Property