The basic building blocks of matter
What are atoms?
A collection of atoms that have the same number of proton
What is an element?
The chemical that results when two or more atoms join together chemically
What is a molecule?
What is Cohesion?
Other than a catalyst, a reaction can also be sped up by this
What is increasing termperature
What is matter?
chemical elements arranged in order of atomic number
What is a periodic table?
A molecule that contains atoms of at least two different atoms
what is a compound?
Water's ability to absorb large amounts of thermal energy before its temperature increases
What is high heat capacity?
organic molecules that contain only carbon, hydrogen, and oxygen
What are carbohydrates?
What are the smaller subatomic particles of an atom?
one of several forms of an element, each containing the same number of protons but a different number of neutrons
What is an isotope?
a chemical bond formed when one or more electrons are transferred from one atom to another
What is an ionic bond
Water's ability to float as a solid
What is density?
a special class of proteins used as catalysts
What are enzymes?
the number of protons in an atom is represented by this
What is an atomic number?
the number of electrons in an atom with 32 protons
What is 32 electrons? (atoms have the same number of electrons and protons)
chemical bond formed by the sharing of electrons between two or more atoms
What is a covalent bond?
Water's ability to attract other polar substances?
What is adhesion?
The phosphate group, the sugar, and the base are the three basic parts of this
What is a nucelotide?
The vast majority of characteristics of an atoms is determined by this
The number of electrons or protons in an atom
These six biologically important elements make up most of living matter
What are carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur?
If carbon has four electrons in its outer energy level, what is the maximum number of electrons it could react with to fill up the level and gain stability?
What is four (it needs eight electrons to fill up it's outer energy level?
Water's ability to dissolve substances
What is universal solvent?
Hydrogen bonds between nucleotide bases hold this together
What are the two helixes of DNA?