Unit 1
What is the mass, charge, and location of an electron?
0 mass, -1 charge, outside of nucleus
Is Calcium a: metal, metalloid, or nonmetal?
Metal
Identify the Ionic formula for: Strontium and Chlorine
SrCl2
Identify the Chemical name based on the formula: KBr
Potassium Bromide
Balance the following chemical equation:
SiO2 + HF -> SiF4 + H2O
1SiO2 + 4HF -> 1SiF4 + 2H2O
What is an Isotope?
An atom with an irregular number of ELECTRONS
What family does the element Cobalt (Co) belongs to?
Transition Metal
Identify the Ionic formula for: Iron (+3) and Oxygen
Fe2O3
Identify the chemical formula based on the name: Aluminum Sulfide
Al2S3
What type of chemical reaction can be seen below?
BaS + LiF → Li2S + BaF2
Double-Replacement
What is an atomic number?
Defines the number of PROTONS in an atom
How many Valence Electrons for the element Bromine (Br)?
7 valence electrons
Ionic bonds are when electrons are ______
Transferred
Identify the chemical formula based on the name: Tungsten (VI) Bromide
WBr6
What type of chemical reaction can be seen below?
CaCO3 -> Ca + CO3
Decomposition
Zinc
What element is in Group 6A, Period 5?
Tellurium
Covalent bonds are when electrons are _________
shared
Identify the Chemical name based on the formula: Ca(NO2)2
Calcium Nitrite
Predict the products based on the given chemical reactants: CH4 + O2 -> ???
CO2 + H2O
Atomic number = 21
Atomic mass = 45
Define the "Octet Rule"
All atoms want 8 valence electrons
Identify the Ionic formula for: Yttrium and Carbonate
Y2(CO3)3
Roman Numerals
Predict the products based on the given chemical reactants: K + CaSe -> ??
Ca + K2Se