3rd 9 Week Study Guide Flashcards
Where on a magnet is the magnetic force strongest
At either the north or South Pole
What is a material that attracts iron and materials that contain iron
Magnet
In a magnetized material, all or most of the magnetic domains are arranged the same
Direction
You can destroy a magnet by
Heating it
Every million years or so, earths magnetic field has
Reversed direction
The region of earths magnetic field shaped by solar wind is called the
Magnetosphere
The area of magnetic force around a magnet is called the magnets
Magnetic field
A group of atoms with their magnetic fields pointing in the same direction is called a
Magnetic domain
A magnet made from material that keeps its magnetism for a long time is called a
Permanent magnet
A glowing region in the earths atmosphere caused by charged particles from the sun is called an
Aurora
What is chlorines symbol
Cl
What shows the number of protons and neutrons in an atom
Atomic mass
What is calciums symbol
Ca
What is carbons symbol
C
Where does it show the number of electrons
Atomic number
What is irons symbol
Fe
What is sodiums symbol
Na
Where does it show the number of protons
Atomic number
How do you find the number of neutrons
Subtract the atomic number from the atomic mass
What is the atomic mass media of gold if it has 118 neutrons and 79 protons
197
What is golds symbol
Au
A well mixed mixture that contains a solvent and at least one solute is called a
Solution
Which part of a solution is present in the largest amount
Solvent
Which part of a solution is present in the smaller amount
Solute
Elements within a group always have the same number of
Valence electrons
What is solubility
A measure of how much solute can dissolve in a solvent at a given temperature
The______ _______of an element is the number of protons in the nucleus of an atom
Atomic number
What is the row of elements across the periodic table called
Period
______ ________ are those electrons that are held most loosely in an atom
Valence electrons
A mixture that has so much solute that no more will dissolve is called
Saturated
A________is two or more elements that are chemically combined
Compound
In a solution, the______is dissolved by the______
Solute,solvent
Protons and neutrons of an atom are located in the
Nucleus
The smallest unit of an element that has all the basic properties a fan element is called an
Atom
What particle of an atom has no positive or negative charge
Neutron
Which factors affect the solubility of a substance
Pressure, temperature, and type of solvent
What are elements in the same column of the periodic table called
Family
How are elements represented in the periodic table
Symbols
How is the periodic table organized
By atomic number
What is the greatest number of valence electrons an atom can have
8
What is matter
Anything that has mass and takes up space
What is an element
The simplest pure substance that cannot be broken Dow into any other substance
What is a compound
Pure substance made of two or more elements that are chemically combined in a specific ratio
What is a mixture
Two or more substances that are in the same place but not chemically combined
What is an atom
Smallest Particle of an element
What is an electron
Negatively charged particles in an atom
What is a nucleus
Positively charged region in the center of an atom
What is a proton
Positively charged particle in the nucleus of an atom
What are the two major factors that scientists use to classify climates
Temperature and precipitation
The day to day change in temperature and precipitation makes up an areas
Weather
What did Koppen also consider when classifying climates
Vegitation
Seasons are caused by
The tilt of earths axis
Which of the following is not one of the major climate regions
Ice cap
Permanatly frozen tundra soil is called
Permafrost
