Vocab 1
Smallest particle of an element
What is an atom?
A positively charged particle in the nucleus of an atom
What is a proton?
Simplest type of sugar with one molecule
What is monosaccharide?
Has a neutral pH
What is water?
Makes up 60-70% of the human body
What is water?
Substance made of 2 or more different elements that are chemically combined.
What is a compound?
A negatively charged particle in the outer shell of an atom
What is an electron?
Carbon is special for this reason
What is it can bond to one another and form a lot of different structures?
What is an acid?
Atoms that make up a water molecule
What are 2 Hydrogens and 1 Oxygen?
Chemical bond formed when atoms share electrons
What is a covalent bond?
A particle in the nucleus that has no charge and can become an isotope
What is a neutron?
Basic building blocks of proteins. Also called building blocks of life.
What are amino acids?
pH greater than 7 and OH- ions in water
What is a base?
Contains the genetic code
What is DNA?
What is 7?
Proteins that speed up reactions.
What are enzymes?
Used to tell how old a once living thing was
What is Carbon-14?
Weak bond that forms between 2 different water molecules
What is hydrogen bonds?
Atoms of the same element with different number of neutrons.
What is an isotope?
An atom with 11 protons and 12 neutrons has this atomic number.
What is 11?
Fats, oils, and steroids are examples.
What are lipids?
Solute dissolved in solvent
What is a solution?
All chemical reactions that occur in the human body are part of this
What is metabolism?