Chemistry Flashcards
1
Q
Molecule is
A
Two or more atoms held together by covalent bonds
2
Q
Covalent bonds are
A
Chemical bond formed by the sharing of electrons
3
Q
Isotopes
A
Groups of atoms that have the same number of protons hence are same element but different mass numbers hence different number of neutrons
4
Q
Compound
A
Two or more chemical elements chemically bonded together
5
Q
Organic compound
A
Molecules that contain carbon
6
Q
Inorganic compound
A
Molecules that don’t contain carbon
7
Q
Ions
A
Atoms or molecules that have lost or gained electrons hence are charged
8
Q
Cations
A
Atom that has lost elections hence has a positive charge
9
Q
Anions
A
Atom that has gained electrons hence has a negative charge
10
Q
Ionic bond
A
Chemical bond between two ions of opposite charge
