Oldies but Goodies
Which step of the scientific method requires you to make an “if, then” prediction?
What is a Hypothesis.
In an equation, the symbol for a substance dissolved in water
What is aq (Aqueous)
Smallest indivisible particle made up of only one pure substance
What is an Atom
The parts of an experiment that are held constant throughout all parts of an experiment.
What are control variables
During lab, this is the correct way to smell a chemical
What is wafting
Solid, Liquid, Gas, plasma
What are the phases of matter
When balancing a chemical equation, you are only allowed to change...
What is the Coefficient
The two subatomic particles are located in the nucleus of an atom
What are protons and neutrons
In the reaction 2CO(g) + O2(g) = 2CO3(g), what is the ratio of moles of oxygen used to moles of CO
What is 1 mol O2 : 2 mol CO
The unit of temperature preferred for measures in our Chemistry class
What is Kelvin (K)
The symbol K represents which element?
What is Potassium
The reaction type for: Pb + FeSO4 = PbSO4 + Fe
What is single displacement
Formula for solving for Mass
What is D=m/v
The mass of a given compound of elements
What is molar mass
Which family of elements can be found in group 18 and are known to be completely unreactive gases?
What are Noble Gases
The outer layer of a molecule, containing at least one electron, striving for 8.
What is valence shell
How many Magnesium atoms are represented by the following expression, 3Mg3(PO4)2
What is 9 MG atoms
The term for all atoms striving to have 8 valence electrons
What is the Octet Rule
deals with the characteristics that are observable through the senses (see, feel, touch, smell, taste)
What is Qualitative
In Charles' Law, _____ is a constant, meaning it does not change or impact the formula
What is pressure
How the periodic table is organized
What is atomic number
This reaction has one large molecule falling apart to make several small ones.
What is decomposition
The type of bond occurs between a metal and non-metal
What is Covalent Bond
Use 6.02 x 1023 to determine which measurement?
What is Moles
The formula for Boyle's law
What is P1V1=P2V2