Atomic Structure
The 3 parts of an atom and their charges are...
• Proton- Positive charge • Nuetron- NO charge • Electron- Negative charge
Ionic bonding occurs between these two classifications of elements.
metals and nonmetals
What we place in front of chemical formulas to balance equations
Coefficient
The type of reaction that has multiple reactants and a single product
composition
Show the reactivity trends for metals
Left & down = increasing reactivity
Lewis dot structures show this specific type of subatomic particle
valence electrons
Electrons behave this way during covalent bonding.
shared/sharing
When balancing the reactants and products of a chemical equation, you need to balance the...
Number of atoms for each element
The type of reaction during which one element switches places with another
single replacement reaction
Predict the products for the following reaction and balance the equation, if needed:
Fe + CuSO4 →
Fe + CuSO4 → Cu + FeSO4
This type of model represents electrons in their proper electron shells.
Bohr model
Na2Se
Balance this equation... NaCl + F2 > NaF + Cl2
2NaCl + F2 --> 2 NaF + Cl2
The type of reaction that produces an oxide and water
combustion
Free halogens will always be found as these types of molecules
diatomic molecules
The formula for identifying the number of neutrons in an atom when given the atomic mass and atomic number is...
number of neutrons = atomic mass - atomic number
The chemical formula for the ionic bond between magnesium and sulfur is this.
MgS
Balance this equation... HCl + CaCO3 > CaCl2 + H2O + CO2
2HCl + CaCO3 > CaCl2 + H2O + CO2
The type of reaction signified by this generic equation:
AB --> A + B
decomposition
Predict the products of the following reaction and balance the products, if needed:
Br + NaCl --> ??
no reaction
This particular calcium ion has 20 protons and 18 electrons, making its charge...
2+
The chemical formula for the covalent bond between nitrogen and hydrogen is this.
NH4
Balance this equation... KClO3 > KCl + O2
2KClO3 --> 2KCl + 3O2
Classify this reaction:
4 Al(s) + 3 O2(g) → 2 Al2O3(s)
composition
Predict the products of the following reaction and balance the equation, if needed:
Na + MgCl2 --> ??
2Na + MgCl2 --> Mg + 2NaCl