Atoms,Ions, & Molecules
A____ is the smallest particle that has all properties of an element
Atom!
Electrons have a_____ charge!
Negative!
What is a Covalent Bond?
Electrons that are shared between 2 atoms!
Water is a type of ____?
Solvent!
A_______ has 2 or more atoms of an element bound together
Molecule!
Protons have a _____ charge!
Positive!
Which is the weakest out of Covalent, Ionic, and Hydrogen bonds?
Hydrogen Bonds are the weakest!
Cells are made up of __% of water
75%!
The physical structure of an atom affects its...?
Function!
What kind of charge does a Neutron have?
No charge!
Which is the strongest out of Covalent, Ionic, and Hydrogen bonds?
Covalent Bonds are the strongest!
Charged or Polar molecules are ____.
Hydrophilic!
What do you call a substance whose atoms all contain identical numbers of protons?
An Element!
What is an Isotope?
Atoms of the same element that have different # of neutrons!
What are 2 types of covalent bonds?
A Polar Covalent Bond and Non-Polar Covalent Bond!
Uncharged or Nonpolar molecules are ____.
Hydrophobic!
What are the 4 atoms that makeup 96% of every organism?
Carbon, Hydrogen, Oxygen, and Nitrogen!
Atomic mass = # of____ + # of ____
Protons and Neutrons!
Molecules are formed from ___,____,and____, bonds between atoms.
Single, Double, and Triple!
What is Adhesion?
the attraction between unlike molecules!