Chemisty 1-3

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What is Matter?: Anything that has mass and occupies space.
What is Matter Made of?: Pure Substances and Mixtures
What is an Pure Substance made of?: Elements and Compounds
What is an Mixture made of?: Heterogeneous mixtures and Homogeneous Mixtures
What are the states of Matter?: Solids, Liquids and Gases
What are the two properties of matter?: Physical and Chemical
What does the prefix Homo- mean?: Same or Like
What does the prefix hetero- mean?: other or different
What does the prefix mono- mean?: one
What does the prefix Deca- mean?: Ten
Qhat does the prefix Di- mean?: Two
What does the prefix Nona- mean?: nine
What does the prefix tri- mean?: three
What does the prefix octa- mean?: eight
What does the prefix Tetra- mean?: four
What does the prefix Hepta- mean?: seven
What does the prefix hexa- mean?: six
What does the prefix penta- mean?: five
What is the definition of a Physical Property?: The property of a substance that can be observed without changing it basic identity of the sentence.
What is the defintition of a chamical property?: The property of a substance that describs the way the substance undergoes or resists change to form a new substance.
How many elements are there?: 115
How many elements are naturally occuring?: 88
What is a chemical change in matter?: A change in the chemical make up resulting in a diffrent substance with different properties.
What is a physical change in matter?: A change that does not change the chemical makeup of a substance.
What are compounds?: A pure substance made up of two or more atoms.
What is the metric untic of Length?: meter (m)
What is the metric untic of Volume?: Liter (L)
What is the metric untic of Mass?: gram (g)
What is the metric untic of Temperature?: degrees celcius
What is the metric untic of Energy?: calorie (cal)
What is the metric untic of Time?: second (s)
What is the metric untic of Amount?: mole (mol)
Name the metric prefrixes in order from largest to smallest.: giga, mega, kilo, hecto, deka, deci, centi, nilli, micro.
Name the symbol and mulitple of giga.: G, 10e9
Name the symbol and mulitple of mega.: M, 10e6
Name the symbol and mulitple of kilo.: k, 10e3
Name the symbol and mulitple of hecto.: h, 10e2
Name the symbol and mulitple of deka.: da, 10e1
Name the symbol and mulitple of deci.: d, 10e-1
Name the symbol and mulitple of centi.: c, 10e-2
Name the symbol and mulitple of milli.: m, 10e-3
Name the symbol and mulitple of micro.: u, 10e-6
What is the formula for area?: l x h = cm2
What is the formeula for volume?: l x w x h = cm3
What os the formula to change farenheight to celcius?: (F - 32)/1.8 = C
What is the formula to chanfe celcius to farenheight?: 1.8C + 32 = F
What is the formula to change celcius to kelvin?: C + 273 = K
what is the formula to change kelvin to celcius?: K - 273 = C
What do chemist use the metric unit calorie to measure?: Energy
How many Joules does 1 cal equal?: 4.184 J
one food calorie = ___ cal= __ kcal: 1,000 and 1
What is the formula for specific heat?: calories / (gramns x Change in Temperature)
What is the formula for Density?: Density= Mass/Volume
What is the formula for the volume of a sphere?: V = âˆ(4/3)rÂ³
What is the formula for the volume of a cube?: V = l x w x h
What is the formula for the volume of a cylinder?: V = âˆrÂ²h
What is the formula for the volume of irregular solids?: V = âˆ†V = Vhigh - Vlow
Are buried zeros signifigant or insignifigant? Ex. 706: signifigant
Wre leading zeros signifigant or insignifigant?Ex. 0.000234: insignifigant
Are trailing numbers after the decimal point signifigantor insignifigant? Ex. 27.00: signifigant
How many signifigant numbers are in 237,401.: 6
How many signifigant numbers are in 0.300: 3
How many signifigant numbers are in 3.01: 3
How many signifigant numbers are in 244.4: 4
How many signifigant numbers are in 0.01030: 4
How many signifigant numbers are in 102.30: 5
When a number is a constant is what type of signifigant number is it considered to be? Ex. exactly 13 items in a Baker's Dozen: infinitly signifigant
When multiplying or dividing signifigant numbers, how many signifigant figures should be in the calculation? Ex. (3.25)(2.426)(1.3) = (10.24985): The quantity with the fewest sig digs. Ex. Ans. = 10
When adding or subtracting sig figs, how many numbers must the answer contain. Ex. 1.75 + 20.2 + 0.526 = 22.476: The same number of places to the right of the decimal in the quantity with the fewest to the right of the decimal. Ex. Ans. = 22.5
What is the formula for calculating percentages?: % = (part/total) x 100
How may subatomic particles are atoms made up of? And what are their names?: 3. Protons, Nuetrons and Electrons
What is the center of the Atom called?: The Nucleus
What does the nucleus contain?: Protons and Neutrons
What is the charge and the mass of a proton?: charge = +1 and mass = 1
What is the charge and the mass of a neutron?: charge= 0 and mass= 1
What is the charge and the mass of a electron?: charge = -1 and mass = (1/1836)
What is the number of protons called in an atom?: The atomic number
There are the same number of protons as there are _____.: electrons
What is the formula to calculate the mass of an atom?: Mass = number of protons + number of electrons
True or False. Most elements are made up of 3 or more isotopes?: False. MAde up of 2 or more Isotopes.
Diffrent isotpes have diffrent _____.: masses
The location of an electron can be specified using what three terms?: Shell, Subshell and Orbital.
What letter is the shell number indicated by?: n
What does a shell number furthest away from the nucleus represent?: Higher energy
What letter is the subshell specified by?: I
What is the value of I in the s orbital?: 0
What is the value of I in the p orbital?: 1
What is the value of I in the d orbital?: 2
What is the value of I in the f orbital?: 3
What does the subshell indicate?: the shape
All electrons in the same subshell have ________ energy.: the same
Electrons subshells are filled in order of ________ energy.: increasing
Within a givin number the _____ the value of n, the more stable.: lower
Match the number to the orbital. 1. 1 A. D 2. 5 B. F 3. 7 C. P 4. 3 D. S: 1. D
2. A
3. B
4. C
Who principle says that each orbital contains a max. of 2 electrons?: Pauli Exclusion Principle
What is the max number of electrons the s orbital can hold?: 2
What is the max number of electrons the p orbital can hold?: 6
What is the max number of electrons the d orbital can hold?: 10
What is the max number of electrons the f orbital can hold?: 14
The elements on the ______ side have completely filled subshells.: right
For the Chromium and Copper column got fron ___ to ___.: s to d
Elements are in order of _____ atomic numbers.: increasing
In the periodic table size _____ as you go down a group and _____ as you go left to right.: increases, decreases
Energey ____ as you go left to right.: increases
Energy _____ as you go down a group.: decreases
True or False. Elements get more metallic as you go down a group.: True
True of False. The elements get more mettalic as tou got left to right.: False. Elements get less metallic when going from left to right.

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