Atomic Structure
The center of an atom
The Nucleus
The chemical name for the compound with the formula P₂O
Diphosphorus Pentoxide
The substances you start with in a chemical reaction
Reactants
The vertical (up and down) columns on the periodic table
Groups
What is the reaction is shown here: 2Na + Cl₂ → 2NaCl
Synthesis
A particle with a negative charge
Electrons
Write the chemical formula for the ionic compound formed between aluminum ions and sulfide ions.
Al₂S
In the reaction CH₄ + 2O₂ → CO₂ + 2H₂O, the number "2" in front of H₂O is called a
coefficient
Most of the elements on the periodic table are this type, found on the left side.
Metals
What is the reaction is shown here: 2H₂O₂ → 2H₂O + O₂
Decomposition
The number of protons in an Oxygen atom
8 Protons
The name for the compound Fe(NO₃)₃. Iron has a 3+ charge here
Iron(III) Nitrate
This is the name for the new substances formed on the right side of a chemical equation
products
The element in Group 1, Period 2 of the periodic table.
Lithium (Li)
What is the reaction is shown here: Zn + 2HCl → ZnCl₂ + H₂
Single Displacement
The first electron shell can hold this many electrons
2 electrons
The name for the compound with the formula FeO when Iron has a 2+ charge
Iron(II) Oxide
Balance this equation: __H₂ + O₂ → 2H₂O
2H₂ + O₂ → 2H₂O
These elements are found on the "staircase" line and have properties of both metals and non-metals.
Metalloids
What is the reaction is shown here: AgNO₃ + NaCl → AgCl + NaNO₃
Double Displacement
This particle has no charge and is found in the nucleus of an atom
Neutron
Name the compound with the formula Cu₂SO₄. Determine the charge of the copper ion
Copper(I) Sulfate
Balance this equation: __C₃H₈ + __O₂ → __CO₂ + __H₂O
C₃H₈ + 5O₂ → 3CO₂ + 4H₂O
Elements in the same group or family have the same number of these in their outer shell, which gives them similar properties
What is the reaction is shown here: 2Al + Fe₂O₃ → Al₂O₃ + 2Fe
Single Displacement