Atomic Structure
Particle with a positive charge
What is a Proton?
What type of bond forms when electrons are shared?
Covalent bond
What number is known as Avogadro's Number?
6.022 × 10²³
What are the substances present before a reaction called?
Reactants
What is the pH of a neutral solution?
7
Particle with NO charge
what is a Neutron?
What type of bond forms when electrons are transferred?
Ionic bond
How many moles are in 12.04 × 10²³ particles?
2 moles
What are the substances formed after a reaction called?
Products
What pH range is considered acidic?
Below 7
The atomic number of an element
What is the number of protons?
What is the name of the compound NaCl?
Sodium chloride
What is the molar mass of H₂O?
18.02 g/mol
Identify the reaction type: 2H₂ + O₂ → 2H₂O
Synthesis
What ion do acids produce in water?
H⁺
How many protons, neutrons, and electrons are in Carbon-14?
6 protons, 8 neutrons, 6 electrons
How many covalent bonds does oxygen typically form?
2
How many molecules are in 1 mole of CO₂?
6.022 × 10²³ molecules
Identify the reaction type: 2KClO₃ → 2KCl + 3O₂
Decomposition
What ion do bases produce in water?
OH⁻
An atom has 17 protons and 18 electrons. What ion is it?
Cl⁻
Why do atoms form chemical bonds?
To become more stable and fill their valence shell
How many moles are in 44 grams of CO₂?
1 mole
Balance the equation: ___ Al + ___ O₂ → ___ Al₂O₃
4 Al + 3 O₂ → 2 Al₂O₃
What is the name of the reaction between an acid and a base?
Neutralization