Atomic Structure Key Concepts
What are atoms composed of
What are protons, neutrons, and electrons
The center of an atoms is called the ______.
What is the nucleus?
Elements are grouped by similar ______.
Atoms are held together by _______.
What is attraction between nuclei and electrons?
The type of reaction that absorbs energy to complete.
What is the law of conservation of mass?
What is the same mass of reactants must yield the same mass of products?
All elements have a different number of ______.
What is protons?
Elements are arranged in increasing _______.
What is atomic number?
The bond that forms between two or more cations and anions.
What is an ionic bond?
The energy that is stored in chemical bonds.
What is the given symbol for electrons in a chemical equation?
What is e-?
Where are electrons located in the atom?
What is the electron field?
The state in which an atom is stable.
What is ground state?
Group 1 are called __________.
What is a covalent bond?
How fast or slow a reaction occurs depends on its _______.
What is rate?
What happens when a reaction does not have enough reactants to complete the reaction?
What is equilibrium is reached between the forward and backwards reaction?
How can an electron move from the different energy levels?
What is when they gain or lose energy?
The number of protons in an atom is called the _______.
What is atomic number?
Group 8 is called _________.
What is noble gases?
A bond formed when the atoms are bonded together by the attraction between nuclei and a pool of electrons.
What is a metal bond?
What are the 5 general types of chemical reactions?
What is synthesis, decomposition, single-replacement, double replacement, and combustion?
What effects the reaction rates of a chemical reaction?
Who are the three scientists responsible for the different discoveries about the atoms structure?
Who are Dalton, Rutherford, and Thomson?
The atomic mass is calculated by adding what together?
Groups 1A-8A all have the same number of _______.
What is Valence Electrons?
What is polar covalent bond?
A ______ is an energy source that speeds up the chemical reaction rate.
What is catalyst?
During a chemical reaction energy is required to break the bonds of the _________ and energy is released when bonds of the ________ are formed.
What is reactants and products?