Study sets matching "chapter 2 inorganic chemistry"
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Kelvin vs. Celcius
Significant Figures
Significant figures when +/- and *& /
Precision
T(k)=T(c)+273.15
1.23 +/- 0.01
take the amount of sig figs in smallest figure
Indicates how close to one another repeated measurements are (…
Kelvin vs. Celcius
T(k)=T(c)+273.15
Significant Figures
1.23 +/- 0.01
Matter
Element
Atom
Atomic Mass
Anything that takes up space and has mass
A substance that cannot be further broken down through chemica…
The smallest part of an element that shares the properties of…
The average mass for all the naturally occurring isotopes
Matter
Anything that takes up space and has mass
Element
A substance that cannot be further broken down through chemica…
Chemistry
Forms of Energy
Protons (p+)
Neutrons (n^0)
the study of matter
there are 92 naturally occurring elements, of which 25 are ess…
positively charged subatomic particles in nucleus
neutrally charged subatomic particles... mass = 1.0 amu
Chemistry
the study of matter
Forms of Energy
there are 92 naturally occurring elements, of which 25 are ess…
Scientific Method
Hypothesis
Model
Theory
A logical approach to solving problems by observing and collec…
Testable statement
More than a physical object; it is often an explanation of how…
A broad generalization that explains a body of facts or phenom…
Scientific Method
A logical approach to solving problems by observing and collec…
Hypothesis
Testable statement
Si System
Derived Units
Volume
Density
Standards of measurements (grams, liters, meters)
Combinations of si base units
The amount of space occupied by an object
The ratio of mass to volume or mass divided by volume
Si System
Standards of measurements (grams, liters, meters)
Derived Units
Combinations of si base units
Atoms
Electrons (e-)
The nucleus contains
Protons (p+)
the building blocks of all substances... ◦ Made up of electrons,…
have a negative charge... ◦ Move around the nucleus
protons and neutrons
have a positive charge
Atoms
the building blocks of all substances... ◦ Made up of electrons,…
Electrons (e-)
have a negative charge... ◦ Move around the nucleus
atomic number
mass number
isotopes
atomic mass units
number of protons in a nucleus
sum of protons and neutrons in a nucleus
atoms that have same atomic number but different mass numbers
values used in the periodic table
atomic number
number of protons in a nucleus
mass number
sum of protons and neutrons in a nucleus
Quantity
SI
Weight
Derived units
Something that has magnitutde, size, or amount
Le Systéme International d'Unités
A measure of the gravitational pull on matter
Combinations of SI base units
Quantity
Something that has magnitutde, size, or amount
SI
Le Systéme International d'Unités
Quantity
SI
Weight
Derived units
Something that has magnitude, size, or amount
Universal science measurement - Le Système International d'Uni…
A measure of the gravitational pull on matter
Combinations of SI base units
Quantity
Something that has magnitude, size, or amount
SI
Universal science measurement - Le Système International d'Uni…
Atoms
Electrons (e-)
The nucleus contains
Protons (p+)
the building blocks of all substances... ◦ Made up of electrons,…
have a negative charge... ◦ Move around the nucleus
protons and neutrons
have a positive charge
Atoms
the building blocks of all substances... ◦ Made up of electrons,…
Electrons (e-)
have a negative charge... ◦ Move around the nucleus
chemistry
chemical reaction
Chemical Reaction Formula
catalase
the study of matter and energy
when the product(s) are different than the reactant(s)
A+B------ C... (yields)
an enzyme found in cells
chemistry
the study of matter and energy
chemical reaction
when the product(s) are different than the reactant(s)
Scientific Method
Hypothesis
Model
Theory
A logical approach to solving problems by observing and collec…
Testable statement
More than a physical object; it is often an explanation of how…
A broad generalization that explains a body of facts or phenom…
Scientific Method
A logical approach to solving problems by observing and collec…
Hypothesis
Testable statement
Atoms
Atomic number
Atomic mass
Ion
Matter that cannot be subdivided any further without losing it…
Equal to the number of protons in the nucleus of an atom
Found only in the nucleus
An charged atom who lost or gained one or more electrons
Atoms
Matter that cannot be subdivided any further without losing it…
Atomic number
Equal to the number of protons in the nucleus of an atom
matter
an element
How many naturally occurring elements a…
Elements are organized into the _______…
substance which occupies space
pure substance considered a building block of matter
There are 92 of these.
Elements are organized into the PERIODIC TABLE, which are base…
matter
substance which occupies space
an element
pure substance considered a building block of matter
ion
Isotopes
outermost electrons involved in chemica…
less energy
a charged particle
differs in the number of neutron
what are valence electrons and why are they important?
products of the chemical reaction have ____ ______ than the re…
ion
a charged particle
Isotopes
differs in the number of neutron
Element
Minerals
Element Structure
Planetary Model
Simplest form of matter to have unique chemical properties
Inorganic elements that are extracted from the soil by plants…
Atomic number: the number of protons in its nucleus... Atomic wei…
A model of atomic structure similar to planets orbiting the sun
Element
Simplest form of matter to have unique chemical properties
Minerals
Inorganic elements that are extracted from the soil by plants…
Atomic mass
Ion
Orbital
Radioisotope
The average weight of the isotopes of the said atom.
An molecule that has either gained or lost electrons.
A "cloud" in which electrons are most likely to be found. Come…
A radioactive isotope, meaning the atom is actively decaying.
Atomic mass
The average weight of the isotopes of the said atom.
Ion
An molecule that has either gained or lost electrons.
Element
Minerals
Element Structure
Planetary Model
Simplest form of matter to have unique chemical properties
Inorganic elements that are extracted from the soil by plants…
Atomic number: the number of protons in its nucleus... Atomic wei…
A model of atomic structure similar to planets orbiting the sun
Element
Simplest form of matter to have unique chemical properties
Minerals
Inorganic elements that are extracted from the soil by plants…
_________ chemistry involves the study…
__________ is the most important inorga…
___________ are ionic compounds that di…
___________ conducts electricity.
Organic
Water
Salts
Electrolytes
_________ chemistry involves the study…
Organic
__________ is the most important inorga…
Water
Matter
Element
Atom
Proton
anything that has weight (mass) and occupies space (volume)
matter composed of a single kind of atom
smallest unit of an element that still acts like that element
positive (+)... location - nucleus
Matter
anything that has weight (mass) and occupies space (volume)
Element
matter composed of a single kind of atom
The _______ Rule is the guiding princip…
An _______ bond occurs when electrons a…
A positive ion is called a _______ whil…
Sharing electrons between atoms results…
Octet ... 8
Ionic
Cation ... Anion
Covalent
The _______ Rule is the guiding princip…
Octet ... 8
An _______ bond occurs when electrons a…
Ionic
Define atom and tell whether they can b…
What is the center of an atom called an…
How does the charge of a proton differ…
Where is most of the mass of an atom co…
Smallest unit of matter that still has the properties of an el…
Nucleus which contains protons and neutrons.
Protons are positive and neutrons are neutral.
Nucleus
Define atom and tell whether they can b…
Smallest unit of matter that still has the properties of an el…
What is the center of an atom called an…
Nucleus which contains protons and neutrons.
Matter
Composition of matter
Isotopes
Radioactivity
anything that takes up space and has mass
1. Elements... 2. Atoms
same number of protons, and electrons but different number of…
process of spontaneous atomic decay.
Matter
anything that takes up space and has mass
Composition of matter
1. Elements... 2. Atoms