chemical Flashcards
1
Q
matter
A
anything that occupies space
2
Q
mass
A
amount of matter contained in the object
3
Q
weight
A
mass as affected by the pull of gravity
4
Q
atom
A
smallest quanity of an element
5
Q
molecule
A
group of two or more atoms held together by chemical bonds
6
Q
chemical compound
A
molecule made of two or more atoms
7
Q
radicals
A
unpaired outer valence shell electrons
8
Q
metabolic reaction
A
exergonic and endergonic
9
Q
exergonic
A
release energy
10
Q
endergonic
A
require energy
11
Q
chemical reactions
A
synthetic, decomposition, exchanges
12
Q
synthetic
A
two compounds bond to make one
13
Q
decomposition
A
larger molecule is broken to smaller
14
Q
exchanges
A
bonds are broken and reformed
15
Q
enzyme
A
decreases the activation energy required for a chemical reaction to occur