Matter and Qualitative Analysis
A Bohr-Rutherford diagram shows all of an element's what?
Electrons
A 24.0g sample contains 6.00g of sodium, what is sodium's percent composition?
25%
What is shared between a covalent bond?
Electrons
In electrochemistry, what do you call the gain of electrons?
Reduction
If something has a pH of 7 it is considered:
Neutral
The atomic number represents the number of (blank) an element has
Protons
If the atomic mass of hydrogen is 1.01 and the atomic mass of oxygen is 16.00, what is the molar mass of H2O?
18.02
What do you call something with 7 carbons and only single bonds?
Heptane
What is the oxidation number of pure elements?
Zero
If water has a high mineral content, what kind of water is it called?
Hard
What do you call non-metals likely to gain electrons?
Anions
What is the mass of product determined by stoichiometric calculations?
If something has the suffix -al (e.g. ethanal), what functional group does it belong to?
Aldehyde
Anode
A hydrogen containing substance that is capable of donating a proton to another substance is called?
Acid
The range of wavelength emitted when an atom is excited by heat or radiation is?
What is Avogadro's number?
6.02 x 10^23
What type of bond is it if the electronegativity difference is greater than 1.7?
Ionic
Electrode
What is the analytical procedure used in chemistry to determine the concentration of an unknown acid or base?
Titration
What makes a reaction happen faster without being consumed in the reaction?
Catalyst
What type of reactant is not fully consumed in a reaction?
Excess
In order to create the strongest intermolecular force, nitrogen, oxygen and fluorine need to bind to what element?
Hydrogen
What is a natural electrochemical process where metals are oxidized by substances in the environment, returning the metal to a mineral-like state?
Corrosion
According to the Arrhenius Theory, bases are ionic hydroxide containing compounds that (blank) in water to increase the OH concentration in a solution.
Dissociate