## Glossary of 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 = ∏(4/3)r³

- 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 = ∏r²h

- What is the formula for the volume of irregular solids?
- V = ∆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.