What is the difference between an ionic bond and a covalent bond?
Ionic bonds involve the transfer of electrons. Covalent bonds involve the sharing of electrons.
What are the 4 states of matter?
Solid, liquid, gas, plasma
Convert 16.45m to cm
1645 cm
What is the atomic number of neon (Ne)?
10
Are high melting points an ionic or covalent property?
Ionic
What is the difference between elements and compounds?
2 or more elements make up a compound.
~~~DOUBLE POINTS!!!~~~ Are the following measurements more ACCURATE or PRECISE when compared to the measurement of 100.0 degrees. Measurements: 77.4, 78.9, 77.1 degrees
PRECISE.
Name all 3 subatomic particles AND their charges.
Protons +
Neutrons 0
Electrons -
How many electrons does an orbital hold?
2
Is C6H12O6 an ionic or covalent molecule?
Covalent
Is the atomic number located above or below the element's symbol on the periodic table?
Above the symbol.
How many neutrons does fluorine contain? (Mass # = 19)
Write the full electron configuration of a carbon (C) atom using the Aufbau principle and the periodic table.
1s2 2s2 2p2
H2O --> H2 + O2
Is this reaction a synthesis or decomposition reaction?
Decomposition
Is odor an intensive physical, extensive physical, or chemical property?
Intensive Physical Property
What is the formula for density?
Density = Mass/Volume (Mass over volume)
What is an isotope?
Same element, different mass # (different # neutrons)
Name all 3 rules for electron configurations. One is a chart/principle. One is a principle. One is a rule.
Aufbau principle Pauli exclusion principle Hund's rule
How many grams are in one mole of iodine?
126.9 g/mol
Name 4 ways/evidence to identify a chemical reaction.
Change in color/odor/texture/taste, etc.
Give off heat or light
Produce a gas (bubbles)
Form a precipitate (solid)
Calculate the density of a material that has a mass of 52.457 g and a volume of 13.5cm3
3.89 g/cm3
What is the charge on Oxygen when it ionizes?
-2
What is the current model of the atom called?
Quantum Mechanical Model or Electron Cloud Model