How can we help?

You can also find more resources in our Help Center.

Study sets matching "chapter 2 chemistry life"

Study sets
Classes
Users

Study sets matching "chapter 2 chemistry life"

54 terms
Chapter 2 - Chemistry of Life
four elements that make up over 90% of…
molecule
compound
ionic bond
carbon, nitrogen, oxygen, hydrogen
two or more atoms combined
two or more different atoms combined
bond created by electrical attraction between atoms (+ and -)
four elements that make up over 90% of…
carbon, nitrogen, oxygen, hydrogen
molecule
two or more atoms combined
75 terms
Chapter 2 - Chemistry of Life
matter
element
92
four elements that make up over 90% of…
anything that takes up space and has mass
basic substance that all matter consists of
number of naturally occurring elements
carbon, nitrogen, oxygen, hydrogen
matter
anything that takes up space and has mass
element
basic substance that all matter consists of
31 terms
Chapter 2 Chemistry of Life
Atom
Element
Valence electron
Compound
The smallest unit of an element that maintains the chemical p…
A pure substance that cannot be broken down into any other su…
The electrons in the outermost shell (main energy level) of a…
A substance made up of atoms of two or more different element…
Atom
The smallest unit of an element that maintains the chemical p…
Element
A pure substance that cannot be broken down into any other su…
86 terms
Chapter 2 The Chemistry of Life
atoms
proton
mass
neutron
the basic unit of of matter; composed of sub atomic particles
positivly charged part of an atom in the nucleus
the quantity of matter an object has
part of atom with no charge in the nucleus
atoms
the basic unit of of matter; composed of sub atomic particles
proton
positivly charged part of an atom in the nucleus
35 terms
Chapter 2 - Chemistry of Life
atom
element
compound
ion
smallest basic unit of matter.
substance made of only one type of atom that cannot be broken…
substance made of atoms of different elements that are bonded…
atom that has gained or lost one or more electrons.
atom
smallest basic unit of matter.
element
substance made of only one type of atom that cannot be broken…
59 terms
Chapter 2 - Chemistry of Life
matter
element
92
four elements that make up over 90% of…
anything that takes up space and has mass
basic substance that all matter consists of
number of NATURALLY occurring elements
carbon, nitrogen, oxygen, hydrogen
matter
anything that takes up space and has mass
element
basic substance that all matter consists of
25 terms
Chapter 2 Chemistry of Life
compound
ionic bond
covalent bond
molecule
A substance made up of atoms of two or more different element…
Chemical bond formed when one or more electrons are transferr…
A bond that forms when atoms share electrons.
2 or more atoms held together by covalent bonds
compound
A substance made up of atoms of two or more different element…
ionic bond
Chemical bond formed when one or more electrons are transferr…
72 terms
Biology: Chapter 2 Chemistry of Life
matter
element
four elements that make up over 90% of…
atom
anything that takes up space and has mass
the different forms of atoms; each has a different number of…
carbon, nitrogen, oxygen, hydrogen
smallest unit of an element that retains the properties of th…
matter
anything that takes up space and has mass
element
the different forms of atoms; each has a different number of…
30 terms
Chapter 2-Chemistry of Life
Matter
Elements
Atoms
Molecules
Anything that has weight and takes up space
Basic building blocks of matter that cannot be broken down by…
Smallest unit of an element that retains the element's physic…
Atoms bonded together
Matter
Anything that has weight and takes up space
Elements
Basic building blocks of matter that cannot be broken down by…
82 terms
Chapter 2: Chemistry of Life
atom
subatomic particles
element
Chemical compound
the smallest unit of matter that cannot be broken down by che…
protons, neutrons, and electrons
a pure substance made of only one kind of atom and represente…
substances made up of two or more atoms of different elements
atom
the smallest unit of matter that cannot be broken down by che…
subatomic particles
protons, neutrons, and electrons
19 terms
Chapter 2: The Chemistry of Life
Monomers
Polymers
Carbohydrates
Monosaccharides
small unit that can join together with other small units to f…
molecules composed of many monomers; makes up macromolecules
Compounds made up of Carbon, Hydrogen, and Oxygen atoms usual…
Single sugar molecules
Monomers
small unit that can join together with other small units to f…
Polymers
molecules composed of many monomers; makes up macromolecules
35 terms
Biology: Chapter 2 - Chemistry of Life
atom
element
compound
ion
smallest basic unit of matter.
substance made of only one type of atom that cannot be broken…
substance made of atoms of different elements that are bonded…
atom that has gained or lost one or more electrons.
atom
smallest basic unit of matter.
element
substance made of only one type of atom that cannot be broken…
55 terms
Chapter 2 - Chemistry of Life
matter
element
atom
protons
anything that takes up space and has mass
basic substance that all matter consists of
smallest unit of an element that retains the properties of th…
positive particles in the nucleus of an atom
matter
anything that takes up space and has mass
element
basic substance that all matter consists of
54 terms
Biology: Chapter 2 The Chemistry of Life
Electron
Substrate
pH scale
Nucleotide
Negatively charged particle, located outside the atomic nucle…
Reactant of an enzyme-catalyzed reaction.
Measurement system used to indicate the concentration of hydr…
Monomer of nucleic acids made up of a 5-carbon sugar
Electron
Negatively charged particle, located outside the atomic nucle…
Substrate
Reactant of an enzyme-catalyzed reaction.
33 terms
Biology: Chapter 2 - Chemistry of Life
atom
element
compound
ion
smallest basic unit of matter.
substance made of only one type of atom that cannot be broken…
substance made of atoms of different elements that are bonded…
atom that has gained or lost one or more electrons.
atom
smallest basic unit of matter.
element
substance made of only one type of atom that cannot be broken…
55 terms
Chapter 2-Chemistry of Life
Matter
Elements
Atoms
Molecules
Anything that has weight and takes up space
Basic building blocks of matter that cannot be broken down by…
Smallest unit of an element that retains the element's physic…
Atoms bonded together
Matter
Anything that has weight and takes up space
Elements
Basic building blocks of matter that cannot be broken down by…
93 terms
Chapter 2: The Chemistry of Life
Acid
Alkaline
Amino Acid
Amino Group
a molecule that releases H (hydrogen) ions into a solution
has a pH > 7 (basic)
...
a N (nitrogen) atom single-bonded to 2 H atoms
Acid
a molecule that releases H (hydrogen) ions into a solution
Alkaline
has a pH > 7 (basic)
39 terms
Chapter 2 The Chemistry of Life
Atom
Nucleus
Electron
Isotope
Basic unit of matter.
Center of the atom. Contains the protons (+) and neutrons (0)
Negatively charged particle found outside of the nucleus.
Atoms of the same element that differ in their number of neut…
Atom
Basic unit of matter.
Nucleus
Center of the atom. Contains the protons (+) and neutrons (0)
41 terms
Biology: Chapter 2, The Chemistry of Life
Atom
Nucleus
Electron
Element
An atom is the smallest constituent unit of ordinary matter t…
The nucleus is the small, dense region consisting of protons…
The electron is a subatomic particle, symbol e− or β−, with a…
A chemical element (often just element when the chemical cont…
Atom
An atom is the smallest constituent unit of ordinary matter t…
Nucleus
The nucleus is the small, dense region consisting of protons…
48 terms
Chapter 2-Chemistry of Life
Elements
Atoms
Molecules
What are ions?
Basic building blocks of matter that cannot be broken down by…
Smallest unit of an element that retains the element's physic…
Atoms bonded together
Charged particles
Elements
Basic building blocks of matter that cannot be broken down by…
Atoms
Smallest unit of an element that retains the element's physic…
54 terms
Chapter 2: Chemistry of Life
matter
atoms
atom
electron, proton, neutron
anything that takes up space and has space.
matter consists of ______
smallest unit of matter that cannot be broken down by chemica…
atoms consists of what 3 parts ?
matter
anything that takes up space and has space.
atoms
matter consists of ______
44 terms
Chapter 2 Vocab Review - The Chemistry of Life
atom
nucleus
electron
neutron*
(physics and chemistry) the smallest component of an element…
A region that is located at the center of an atom and contain…
A subatomic particle that has a negative charge
A subatomic particle that has no charge and that is found in…
atom
(physics and chemistry) the smallest component of an element…
nucleus
A region that is located at the center of an atom and contain…
31 terms
Chapter 2: The Chemistry of Life Vocabulary
Atom
Nucleus
Electron
Proton
basic unit of matter
the center of an atom, which contains the protons and neutrons
negatively charged particle; located in the space surrounding…
positively charged particle; located in the nucleus
Atom
basic unit of matter
Nucleus
the center of an atom, which contains the protons and neutrons
51 terms
Chapter 2 - The Chemistry of Life
What three subatomic particles make up…
Atom
Nucleus
Electron
The subatomic particles that make up atoms are protons, neutr…
The basic unit of matter.
The center of the atom that is formed by protons and neutrons…
A negatively charged particle ( - ) with only 1/1840 mass of…
What three subatomic particles make up…
The subatomic particles that make up atoms are protons, neutr…
Atom
The basic unit of matter.
35 terms
Biology: Chapter 2 - Chemistry of Life
atom
element
compound
ion
smallest basic unit of matter.
substance made of only one type of atom that cannot be broken…
substance made of atoms of different elements that are bonded…
atom that has gained or lost one or more electrons.
atom
smallest basic unit of matter.
element
substance made of only one type of atom that cannot be broken…
50 terms
Biology Chapter 2 Chemistry of Life
Atom
Element
Protons, Neutrons, and Electrons
Protons
The smallest basic unit of life.
One particular type of atom, and it cannot be broken down int…
Atoms consist of three types of smaller particles which are...
Atoms of different elements differ in the number of _________…
Atom
The smallest basic unit of life.
Element
One particular type of atom, and it cannot be broken down int…
65 terms
Chapter 2- The Chemistry of Life 2
atom
nucleus
electron
element
basic unit of matter
The center of the atom which contains the protons and neutrons.
A negatively charged particle; located outside the atomic nuc…
A substance consisting entirely of one type of atom.
atom
basic unit of matter
nucleus
The center of the atom which contains the protons and neutrons.
26 terms
Biology: Chapter 2 - Chemistry of Life
atom
element
compound
ion
smallest basic unit of matter.
substance made of only one type of atom that cannot be broken…
substance made of atoms of different elements that are bonded…
atom that has gained or lost one or more electrons.
atom
smallest basic unit of matter.
element
substance made of only one type of atom that cannot be broken…
23 terms
Chapter 2 The Chemistry of Life
Atom
Nucleus
Electrons
Isotope
the basic unit of matter
the center of the atom which contains protons (+) and neutron…
(-) charged particles which orbit the nucleus of an atom
one of several forms of an element that has a different numbe…
Atom
the basic unit of matter
Nucleus
the center of the atom which contains protons (+) and neutron…
65 terms
Chapter 2- The Chemistry of Life Review
atom
nucleus
electron
element
basic unit of matter
The center of the atom which contains the protons and neutrons.
A negatively charged particle; located outside the atomic nuc…
A substance consisting entirely of one type of atom.
atom
basic unit of matter
nucleus
The center of the atom which contains the protons and neutrons.
104 terms
Chapter 2: chemistry of Life
An atom of any element has a central _…
A molecule that contains more than one…
A bond formed between charged particle…
A bond formed by electron sharing, ass…
nucleus; shells(energy levels)
compound
ionic bond
covalent bond
An atom of any element has a central _…
nucleus; shells(energy levels)
A molecule that contains more than one…
compound
78 terms
Chapter 2: The Chemistry of Life
atom
electron
isotope
radioactive isotope
the basic unit of matter
a negatively charged subatomic particle
atoms of the same element that differ in the number of neutro…
their nuclei are unstable and break down at a constant rate o…
atom
the basic unit of matter
electron
a negatively charged subatomic particle
37 terms
Biology: Chapter 2 - Chemistry of Life
atom
element
compound
ion
smallest basic unit of matter.
substance made of only one type of atom that cannot be broken…
substance made of atoms of different elements that are bonded…
atom that has gained or lost one or more electrons.
atom
smallest basic unit of matter.
element
substance made of only one type of atom that cannot be broken…
14 terms
Chapter 2 Chemistry of Life (Biology)
Atom
Protons
Neutrons
Electron
Building block of matter
Positive charge
No charge
Negative charge
Atom
Building block of matter
Protons
Positive charge
40 terms
Chapter 2 - The Chemistry of Life
Atom
Nucleus
Electron
Element
the basic unit of matter
the center of an atom, which contains the protons and neutron…
negatively charged particle; located in the space surrounding…
pure substance that consists entirely of one type of atom
Atom
the basic unit of matter
Nucleus
the center of an atom, which contains the protons and neutron…
Biology Chapter 2 Chemistry of Life
Atom
Element
Protons, Neutrons, and Electrons
Protons
The smallest basic unit of life.
One particular type of atom, and it cannot be broken down int…
Atoms consist of three types of smaller particles which are...
Atoms of different elements differ in the number of _________…
Atom
The smallest basic unit of life.
Element
One particular type of atom, and it cannot be broken down int…
35 terms
Chemistry of Life Vocabulary Chapter 2
Atom
Element
Compound
Ion
Basic unit of matter
A pure substance that cannot be broken down into other substa…
A substance made up of atoms of two or more different element…
A charged atom
Atom
Basic unit of matter
Element
A pure substance that cannot be broken down into other substa…
42 terms
chapter 2 Chemistry of Life
macromolecule
protein
pH
Acid
A giant molecule formed by the joining of smaller molecules,…
A three dimensional polymer made of monomers of amino acids.
a value that indicated the acidity or alkalinity of a solutio…
a substance that increases the hydrogen ion concentration of…
macromolecule
A giant molecule formed by the joining of smaller molecules,…
protein
A three dimensional polymer made of monomers of amino acids.
78 terms
Chapter 2: The Chemistry of Life
atom
electron
isotope
radioactive isotope
the basic unit of matter
a negatively charged subatomic particle
atoms of the same element that differ in the number of neutro…
their nuclei are unstable and break down at a constant rate o…
atom
the basic unit of matter
electron
a negatively charged subatomic particle
Biology: Chapter 2, The Chemistry of Life
Atom
Nucleus
Electron
Element
An atom is the smallest part of ordinary matter that has the…
The nucleus is the small, dense region consisting of protons…
The electron is a subatomic charged particle, with a negative…
Pure substance consisting of one type of atom.
Atom
An atom is the smallest part of ordinary matter that has the…
Nucleus
The nucleus is the small, dense region consisting of protons…
46 terms
Chapter 2- The Chemistry of Life
matter
mass
element
atom
anything that has mass and takes up space.
a measure of the amount of matter in an object.
a substance that cannot be separated or broken down into simp…
the smallest unit of an element that maintains the chemical p…
matter
anything that has mass and takes up space.
mass
a measure of the amount of matter in an object.
87 terms
Chapter 2: Chemistry of Life
hydrogen bond
cohesion
adhesion
specific heat capacity
slightly + H are attracted to slightly -O on neighboring wate…
water molecules stick to each other (H bonding)
water molecules stick to other kinds of substances (H bonding)
amount of energy needed to change water temperature by 1 degree
hydrogen bond
slightly + H are attracted to slightly -O on neighboring wate…
cohesion
water molecules stick to each other (H bonding)
17 terms
(biology) Chapter 2: The Chemistry of Life
Polymer
Monomer
Carbohydrate
Monosaccharide
molecules composed (made) of many monomers.
a small chemical unit (molecule). A building block of polymers
a compound made of carbon, hydrogen, and oxygen atoms. It is…
the monomer of a carbohydrate. Glucose, fructose and galactos…
Polymer
molecules composed (made) of many monomers.
Monomer
a small chemical unit (molecule). A building block of polymers
42 terms
Chapter 2: The Chemistry of Life
atom
nucleus
electron
element
basic unit of matter
the center of the atom which contains the protons and neutron…
negatively charged particle; located outside the atomic nucleus
substance consisting entirely of one type of atom
atom
basic unit of matter
nucleus
the center of the atom which contains the protons and neutron…
38 terms
Chapter 2: The Chemistry of Life
atom
nucleus
electron
element
basic unit of matter
center of the atom
negatively charge particle
pure substance that consists entirely of one type of atom
atom
basic unit of matter
nucleus
center of the atom
64 terms
Chapter 2: Chemistry of Life
trans-fat
acid
adhesion
amino acid
A form of unsaturated fat with the hydrogen atoms neighboring…
A substance that donates hydrogen ions and therefore lowers pH
The attraction between water molecules and molecules of a dif…
A monomer of a protein
trans-fat
A form of unsaturated fat with the hydrogen atoms neighboring…
acid
A substance that donates hydrogen ions and therefore lowers pH
50 terms
Chapter 2 - Chemistry of Life
atom
element
Four elements that make up 96% of the…
elements making up 4% of human body
smallest basic unit of matter
substance made of only one type of atom that cannot be broken…
1. carbon ... 2. oxygen... 3. nitrogen... 4. hydrogen
1. calcium... 2. phosphorous... 3. potassium... 4. sulfur... 5. sodium... 6.…
atom
smallest basic unit of matter
element
substance made of only one type of atom that cannot be broken…
35 terms
Chapter 2: Chemistry of Life
atom
element
compound
ion
smallest basic unit of matter
one particular type of atom, and it cannot be broken into a s…
a substance made of atoms of different elements bonded togeth…
an atom that has gained or lost one or more electrons
atom
smallest basic unit of matter
element
one particular type of atom, and it cannot be broken into a s…
42 terms
Chapter 2 The Chemistry of Life
atom
nucleus
electron
element
...
...
...
...
atom
...
nucleus
...
39 terms
Chapter 2 - The Chemistry of Life
atom
nucleus
electron
element
the basic unit of matter
center of the atom which contains the protons and neutrons
negatively charged particle; located in the space surrounding…
PURE SUBSTANCE that is consists entirely of one type of atom
atom
the basic unit of matter
nucleus
center of the atom which contains the protons and neutrons
1 of 10