Extra for Chapt. 2 Flashcards
1
Q
Difference between ionic bonds and covalent bonds
A
covalent bonds are when atoms chafe electrons and a ionic bond is between oppositely charged ions
2
Q
Relationship between monomers and polymers
A
monomers make up polymers
3
Q
3 parts of an atom
A
neutrons, protons, electrons
4
Q
element
A
1 type of atom
5
Q
all matter is composed of __?
A
atoms
6
Q
shared electrons = ___ bond
A
covalent
7
Q
oppositely charge = __ bond
A
ionic
8
Q
polar molecules = what kind of charge?
A
positive and negative
9
Q
hydrogen bond
A
attraction between water molecules
10
Q
plants store glucose in the form of what?
A
starch
11
Q
what is DNA held together by?
A
hydrogen bonds
