Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
Lewis Structure |
A representation of a molecule showing valence electrons as dots. |
|
|
LD(50) |
the amount of a substance per kilo body weight that is lethal to 50% of test animals |
|
|
Kekule Structure |
An alternative name for a line bond structure, which represents a molecule by showing covalent bonds as lines between atoms |
|
|
Isotopes |
Atoms of the same element that have different mass numbers. |
|
|
Hybrid Orbital |
An orbital derived from a combination of atomic orbitals. Hybrid orbitals, such as the sp3, sp2, and sp hybrids of carbon, are strongly directed and form stronger bonds than atomic orbitals. |
|
|
Antibonding Molecular Orbital |
A molecular orbital that is higher in energy than the atomic orbitals from which it is formed |
|
|
Atomic Mass |
the weighted average mass of an element's naturally occurring isotopes |
|
|
Atomic number, Z |
the number of protons in the nucleus of an atom |
|
|
Aufbau Principle |
The rules for determining the electron configuration of an atom. The rules for how electrons fill up orbitals...lowest energy to highest energy. |
