What element has the symbol "W?"
Tungsten
The # of electrons in a neutral element equals the # of __________.
protons (This is called the atomic #)
This bond forms between a metal and a non-metal.
Ionic bond or ionic compound
What does "ROY G. BIV" stand for?
Red-Orange-Yellow-Green-Blue-Indigo-Violet
What type of chemical reaction is this?
A + B → AB
Synthesis or Combination
Which element corresponds to an atomic mass of 44.956 amu?
Scandium
Lowest energy state of an electron
Ground state or n = 1
This is the rule that elements want to fill their outermost shell with 8 valence electrons by bonding with other elements.
Octet Rule
The Electromagnetic Spectrum provides information on the wavelengths and ___________ of the different types of radiation.
frequency
What type of chemical reaction is this?
AB → A + B
Decomposition
These sister elements share the same atomic # but have different atomic mass #s due to different numbers of neutrons.
isotopes
Defined as "a discrete bundle of energy composed of light and other radiation."
Photon
Only __________ compounds take numerical prefixes like "di" or "tri."
Covalent
Red light corresponds with _______ waves. (Type of radiation)
radio
What type of chemical reaction is this?
A + BC → AC + B
Single Replacement or Single Displacement
Which family or group of elements do not like to react due to each element having its octet rule already satisfied?
Noble gases
Both Fluorine and Oxygen form many bonds with other elements; they are considered highly ______________.
electronegative
What is the name of this compound?
N2S4
Dinitrogen Tetrasulfide
Violet light corresponds with _______ waves. (Type of radiation)
gamma
Balance this chemical reaction:
3F2 + 3H2O → __ HF + O3
Six (6)
How many atomic mass units or grams are in a sample of 5 moles of Calcium (Ca)?
200.39 amu or grams
According to the Quantum Mechanical Model, where are electrons found?
In Orbitals in Electron Clouds
What is the chemical formula for this compound?
Iron (III) Oxide
Fe2O3
Each element emits a unique "light signature" with different colors and patterns. (There's a poster in this classroom).
Emission Spectrum
How many atoms in this compound?
5(NH4)2O
55 atoms