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Unit 8

Matter BSD 5-01, 02 ^-01-02 Vocab

matter Anything that has mass and volume
physical properties the characteristics of a substance such as density, volume, phase and color
conductivity something that allows a charge to travel through it
malleability defined as being able to hammer it into sheets, like a sheet of aluminum
chemical properties the ability of a substance to react with other substances and create a new substance, or its flammability
flammability the ability to light on fire or to combust
reactivity the ability to combine with other atoms or compounds creating a new substance
chemical change the process where a substance changes to produce a new substance, this may not be a reversible change
physical change a change in appearance, phase or shape would be what type of a change
states of matter Describing how much energy is in a substance therefore describing the arrangements of atoms into a solid, liquid or a gas
compound two different atoms chemically combined together
mixture a combination of 2 or more substances but they are not chemically bound together
element a substance that can't be broken down or separated into a simpler substance by a chemical means
heterogeneous in mixtures, this is when the mixture is not uniform and does not mix readily
homogeneous in mixtures this is when the mixture is uniform and mixes very well
colloid tiny suspended particles in a mixture, like in milk.
isotope when the number of neutrons change in an element it will create...
Bose-Einstein solid, solid, liquid, gas, plasma What are the phases of matter from coldest to hottest?
solution a mixture of two substances that mix up really well and are dispersed homogeneously throughout
solubility a property of a substance where it has the ability to be dissolved given the correct situation (temperature,and pressure)
solute in a mixture the item that was broken down and dissolved is called the...
solvent in a mixture, the substance that will dissolve something else
atomic name each symbol of letters on the periodic table represents what...
plasma a super heated substance beyond a gas that would seem to emit light, like the sun
organic CHONPS....if a compound has these (they are written in order of importance) then they are what...?
inorganic compounds or elements that have never been alive or part of a living thing such as mined minerals
half life The time required to decay an element from 100% of itself to 50% of itself.
Strong, Weak, electromagnetic, gravitational What are the forces inside of an atom?
-+ = Electromagnetic, weak is decay, Strong force keeps nucleus together in spite of + next to a +, gravity is mass and distance to that mass. Explain each of the forces in an atom
Nucleus contains the protons and neutrons and is where the atom has mass
Orbitals or Shells the location of the electrons that surround the nucleus
valence shell the outermost ring of electrons that give the atom the ability to bond
Do Draw a correct atom with its 3 primary parts labeled Use #9 Flourine BSD St 5-01
Count the protons and neutrons, use periodic table Find the mass of an atom
change the number of neutrons Make an isotope of an atom
Law of conservation of matter. Matter can be neither created nor destroyed.
Go figure this out! Think about the steel wool lab... Prove the law of conservation of matter using a short answer.