basics of chemistry test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| the study of the ocmposition, structure, and properties of matter and the changes it undergoes | chemistry
🗑
|
||||
| extend our ability to observe and make measurements | instruments
🗑
|
||||
| study of most compounds containing carbon | organic chemistry
🗑
|
||||
| study of the properties and changes in matter and their relation to energy | physical chemistry
🗑
|
||||
| study of compounds not containing carbon | inorganic chemistry
🗑
|
||||
| the type of chemistry we are studying | inorganic
🗑
|
||||
| involved with identifying the composition of materials | analytical chemistry
🗑
|
||||
| study of substances and processes in living things | biochemistry
🗑
|
||||
| involves using math to understand the principles between chemical behaviors and to predict the properties of new compounds | theoretical chemistry
🗑
|
||||
| list 4 uses of chemistry: | -learning about ancient cultures -taking photographs -using fireworks -making sure our water is safe
🗑
|
||||
| any substance that has definite composition | chemical
🗑
|
||||
| type of research used to increase knowledge | basic
🗑
|
||||
| type of research used to solve problems | applied
🗑
|
||||
| type of research that usually involes the production and use of products that improve our quality of life | technological development
🗑
|
||||
| changing one element to another | transmutation
🗑
|
||||
| purifying liquids through evaporation and condensation | distillation
🗑
|
||||
| ___developed in Europe around the time of the ___ | modern chemistry, American Revolution
🗑
|
||||
| Modern chemistry was spurred on by develpment of better equipment such as the___ | balance
🗑
|
||||
| the father of modern chemistry | Lavoisier
🗑
|
||||
| the rapid combination of oxygen with a substance releasing heat and light | combustion
🗑
|
||||
| showed that oxygen is involved in combustion and rusting | Lavoisier
🗑
|
||||
| discovered that uranium gives off radiation | Henri Becquerel
🗑
|
||||
| discovered new radioactive elements | Marie and Pierre Curie
🗑
|
||||
| realized that radioactivve elements decayed into new elements | Ernesst Rutherford and Frederick Soddy
🗑
|
||||
| how is transmutation carried out today? | by bombarding atomic nuclei with accelerated atomic particles
🗑
|
||||
| the amount of 3-D space an object takes up | volume
🗑
|
||||
| the measure of the amount of matter present | mass
🗑
|
||||
| anything that has mass and takes up space | matter
🗑
|
||||
| smallest unit of an element that keeps the properties of that element | atom
🗑
|
||||
| a pure substance made of 1 kind of atom | element
🗑
|
||||
| a substance that is made from the atoms of 2 or more elements that are chemically bonded | compound
🗑
|
||||
| the smallest unit of an element or compound that keeps the properties of that element or compound | molecule
🗑
|
||||
| characteristics used to distinguish between substances and to separate substances | properties
🗑
|
||||
| property that depends on the amount of matter present | extensive property
🗑
|
||||
| property that does not depend on amount of matter present | intensive property
🗑
|
||||
| characteristics that can be observed or measured without change to the identity of the substance itself | physical property
🗑
|
||||
| property that relates to a substance's ability to undergo changes that make it a different substance | chemical property
🗑
|
||||
| changes in substances that do not involve a change in the identity of the substance | physical change
🗑
|
||||
| changes in which one or more substances are converted into diffrent substances | chemical change
🗑
|
||||
| states that the total amount of matter before and after a chemical reaction remains the same | Law of Conservation of Mass
🗑
|
||||
| substances that react in a chemcial reaction | reactants
🗑
|
||||
| substances formed in a chemical reaction | products
🗑
|
||||
| change that occurs in the nucleus of an atom; tremendous amount of energy is given off; creates a new element | nucleur change
🗑
|
||||
| the number of_________gives an element its identity | protons
🗑
|
||||
| have definite volume and definite shape | solids
🗑
|
||||
| have defintie volume and indefinite shape | liquid
🗑
|
||||
| have indefinite volume and indefinite shape | gases
🗑
|
||||
| high temperature state of matter in which the atoms of the substance lose electrons | plasma
🗑
|
||||
| change in state from solid to gas | sublimation
🗑
|
||||
| change in state from gas to solid | deposition
🗑
|
||||
| __ is involved in both chemical and physical changes | energy
🗑
|
||||
| states that although energy can be absorbed or released in a change, it cannot be destroyed | Law of Conservation of Energy
🗑
|
||||
| energy is absorbed | endothermic reaction
🗑
|
||||
| energy is released | exothermic reaction
🗑
|
||||
| the composition of pure substances is the _____ | same throughout
🗑
|
||||
| pure substances include ___ & ___ | elements and compounds
🗑
|
||||
| blend of two or more kinds of matter, each of which keeps its own identity and properties | mixture
🗑
|
||||
| uniform in composition, have same proportion of components throughout, also called solutions | homogeneous mixture
🗑
|
||||
| not uniform in composition | heterogeneous mixture
🗑
|
||||
| list 4 physical ways to separate mixtures: | -filtration -decanting -centrifuge -distillation
🗑
|
||||
| elements can only be broken down by ____ | nucleur means
🗑
|
||||
| an arrangement of the elements by way of increasing atomic number from left to right | periodic table
🗑
|
||||
| # of protons in the nucleus | atomic number
🗑
|
||||
| vertical column on the periodic table; contains elements with similar chemical properties because each has the same # of outer shell electrons | group
🗑
|
||||
| horizontal row on periodic table; physical and chemical properties change as elements go from left to right; elements in same ___have same # of energy levels | period
🗑
|
||||
| elements 51-71 | lanthanide
🗑
|
||||
| elements 89-103 | actinide
🗑
|
||||
| metals are found where on the period table | to the left of the stairs
🗑
|
||||
| metalloids are found where on the periodic table? | on or below the stairs (do not include polonium, aluminum, or astatine)
🗑
|
||||
| where are nonmetals found on periodic table? | to the right of the stairs
🗑
|
||||
| where are noble gases found? | in the last group
🗑
|
||||
| -conduct heat and electricity -have metallic luster -most are solids at room temp -malleable (can be hammered into thick sheets) -ductile (can be drawn into wires) -have high tensile strength (resist breaking) | metals
🗑
|
||||
| poor conducter of heat and electricity mainly gases at room temp if solid, it is brittle | nonmetal
🗑
|
||||
| characterics of metals and nonmetals all are solids at room temp less malleable than metals but not as brittle as nonmetals semiconducting properties | metalloids
🗑
|
||||
| generally nonreactive gases at room temperature | noble gases
🗑
|
||||
| 4 noble gases used in lighting | neon, krypton, argon, xenon
🗑
|
||||
| noble gas used in balloon making | helium
🗑
|
||||
| noble gas that is radioactive and heaviest gas | radon
🗑
|
||||
| liquid nonmetal | bromine
🗑
|
||||
| liquid metal | mercury
🗑
|
||||
| metal with highest melting point, used to make light bulbs | tungsten
🗑
|
||||
| group _ metals are soft and can be cut with a knife | 1
🗑
|
||||
| very hard metal | chromium
🗑
|
||||
| very brittle metals | manganese and bismuth
🗑
|
||||
| very malleable and ductile metals | iron and copper
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
lovecamille018
Popular Chemistry sets