Review content Flashcards
1
Q
matter
A
anything that takes up space and has mass
2
Q
element
A
a substance that cannot be broken down further
3
Q
compound
A
a substance containing two or more elements
4
Q
atom
A
the smallest unit of an element
5
Q
molecule
A
two or more atoms connected by covalent bonds
6
Q
covalent bonding
A
the sharing of a pair of valence electrons by 2 atoms
7
Q
polar covalent bond
A
a covalent bond where the electrons are not shared equally
8
Q
chemical reaction
A
the making or breaking of chemical bonds leading to a change in the composition of matter
9
Q
isomer
A
molecules with the same chemical makeup but different organization
10
Q
ATP
A
organic molecules that provides the energy required for many cellular processes.