Ch. 7 Chemical Bonds Flashcards
1
Q
chemical bond
A
a force that holds two atoms together
2
Q
Compound
A
a pure substance that contains two or more elements
3
Q
Covalent bond
A
the chemical bond that forms between atoms when they share electrons
4
Q
electron dot diagram
A
is the chemical symbol for the element surrounded by as many dots as there are electrons on its outer energy level
5
Q
formula
A
a combination of chemical symbols of the elements that tells what element are present in a molecule and how many atoms of each element are present
6
Q
ion
A
an atom that is no longer neutral because it has lost or gained an electron
7
Q
ionic bond
A
chemical bond that is created when one atom loses one or more electrons and another atom gains one or more electrons
8
Q
molecule
A
neutral particle that is formed when atoms share electrons
