Laws of Chemistry
This law states that matter cannot be created or destroyed in a chemical reaction.
What is the Law of Conservation of Mass?
The smallest building block of matter.
What is an atom?
A bond formed when electrons are transferred.
What is an ionic bond?
Li
What is Lithium?
Convert 25o C to Kelvin.
What is 298 K?
The metric unit for mass.
What is the gram?
3,400,000 in scientific notation.
What is 3.4 x 106?
This law states compounds always form in the same proportion by mass.
What is the Law of Definite Proportions?
The particle with a positive charge.
What is a proton?
A bond formed when electrons are shared.
What is a covalent bond?
Ti
What is titanium?
Convert 86o F to oC.
What is 30o C?
The metric unit for volume.
What is the liter?
The number of sig figs in 0.00760.
What are 3?
This law involves different ratios when elements combine to form multiple compounds.
What is the Law of Multiple Proportions
The particle with no charge.
What is a neutron?
The compound formed when sodium reacts with chlorine.
What is NaCl?
Mg
What is magnesium?
The amount of milliliters in 2.5 liters.
What is 2500 mL?
The curved surface of a liquid in a graduated cylinder.
What is the meniscus?
Rule for sig figs in multiplication/division.
What is answer must have same # of sig figs as the least precise value?
The scientist who proposed the Atomic Theory.
Who is John Dalton?
The particle with a negative charge.
What is an electron?
Compounds composed of molecules with two atoms.
What are diatomic molecules?
Mn
What is Manganese?
The number of significant figures in 3.00.
What is 3?
The metric prefix meaning one millionth?
Rule for sig figs in addition/subtraction.
What is the answer must match the least number of decimal places?
Explain how Dalton's Atomic Theory support the Law of Conservation of Mass.
What is atoms are not created or destroyed, only rearranged?
The region of the atom where electrons are found.
Compare ionic vs covalent compounds in terms of conductivity.
What is ionic conduct when dissolved; covalent generally do not?
Cu
What is copper?
The metric prefix for 10-3.
What is milli?
A number expressed as 6.02 x 1023 is written in this form.
What is scientific notation?
Round 23.467 g ÷ 2.1 g.
What is 11 g (2 sig figs)?