all the info i learned in the chemistry unit
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Who organized elements by their masses from least to greatest in 1864? | john newlands
🗑
|
||||
| Who created the system that we use now for the periodic table in 1869? | dmitri mendeleyev
🗑
|
||||
| What did mendeleyev organize the elements by? | atomic masses and properties
🗑
|
||||
| What happened in 400 BC? | greek philosophers were trying to figure out what things are made of
🗑
|
||||
| Whos credited for the idea of atomism? | leucippus
🗑
|
||||
| What does atom mean? | uncutable
🗑
|
||||
| What happened to the idea of atomism? | it was ignored til the 1500s
🗑
|
||||
| How many families are there in the periodic table? | 10
🗑
|
||||
| What are the families called? | alkali metals, alkali earth metals, halogens, noble gases, metals, nonmetals,transition metals, metalloids,lanthanides,actinides
🗑
|
||||
| What are some characterisitcs of metalloids? | have properties of metals and nonmetals; used in comp. and electronics
🗑
|
||||
| What are 3 examples of metalloids? | boron, germanium, antimony
🗑
|
||||
| Whats boron used in? | helps mantain normal cell function
🗑
|
||||
| Whats germanium used in? | as a semiconductor
🗑
|
||||
| Whats antimony used in? | infrared detectors
🗑
|
||||
| What are some characteristics of halogens? | very electronegative;bonds easily with alkaline metals
🗑
|
||||
| what are 3 examples of halogens? | flourine,chlorine,idodine
🗑
|
||||
| Whats flourine used in? | rocket fuels
🗑
|
||||
| whats chlorine used in? | to disinfect pools
🗑
|
||||
| whats idodine used in? | treat eye infections
🗑
|
||||
| What are some charctersics of noble gases? | unreactive; bonds easily with alkaline metals
🗑
|
||||
| What are 3 examples of noble gases? | helium,neon,xenon
🗑
|
||||
| Whats helium used in? | breathing mixture for deep sea divers
🗑
|
||||
| Whats neon used in? | glow sticks
🗑
|
||||
| Whats xenon used in | electron tubes
🗑
|
||||
| What are some characteristics of lanthanides? | produce spark; rare earth elements
🗑
|
||||
| What are 3 examples of lanthanides? | europium,samarium,terbium
🗑
|
||||
| whats europium used in? | red color in tvs
🗑
|
||||
| Whats samarium used in/for? | pain killer medicine
🗑
|
||||
| whats terbium used in/for? | lasers
🗑
|
||||
| What are some characteristics of actinides? | used nuclear energy; very radioactive
🗑
|
||||
| What are 3 examples of actinides? | califormium, fermium, einsteinium
🗑
|
||||
| whats califormium used in? | moisture gauges
🗑
|
||||
| what are fermium and einsteinium used in? | they have no uses so far
🗑
|
||||
| What are some characteristics of alkali metals? | very reactive in water; electropositive
🗑
|
||||
| what are 3 exampls of alkali metals? | lithium, sodium , potassium
🗑
|
||||
| Whats lithium used in? | batteries
🗑
|
||||
| whats sodium used in? | table salt
🗑
|
||||
| whats potassium used in? | potassium cyanide
🗑
|
||||
| What are some characteristics of alkali earth metals? | mallable; used in fireworks
🗑
|
||||
| What are 3 examples of alkali earth metals? | magnesium, calcium, beryllium
🗑
|
||||
| whats magnesium used in? | bombs
🗑
|
||||
| whats calcium used in? | to dry things
🗑
|
||||
| whats beryllium used in? | radiation windows
🗑
|
||||
| What are some characteristics of transition metals? | hard and dense; used in construction
🗑
|
||||
| what are 3 examples of transition metals? | platinum, silver, mercury
🗑
|
||||
| whats platinum used in? | catalytic converter
🗑
|
||||
| whats silver used in? | jewelry
🗑
|
||||
| whats mercury used in? | batteries
🗑
|
||||
| what are some characteristics of metals? | good conductors of electricity; good conductors of heat
🗑
|
||||
| what are 3 examples of metals? | aluminum,tin,lead
🗑
|
||||
| whats aluminum used in? | kitchen pots
🗑
|
||||
| whats tin used in? | kitchen utensils
🗑
|
||||
| what lead used in? | tennis racket
🗑
|
||||
| what are some characteristics of nonmetals? | poor conductors of heat and electricity, elements of life
🗑
|
||||
| what are 3 examples of nonmetals? | hydrogen, carbon, oxygen
🗑
|
||||
| whats hydrogen used in? | hydrochloric acid
🗑
|
||||
| whats carbon usedin? | base for ink
🗑
|
||||
| What does chemistry mean? | the study of the composition and properties of matter and the changes it undergoes
🗑
|
||||
| what are atoms? | smallest parts of elemnt
🗑
|
||||
| whats a proton? | positively charged particle in atoms nuclues
🗑
|
||||
| what are electrons? | negatively charged particles
🗑
|
||||
| what are nuetrons? | particles that have the same mass as protons but have a nuetral charge
🗑
|
||||
| whats an element? | matter made of elements of only one kind
🗑
|
||||
| whats atomic mass? | the weighted average mass of the isotopes of an element
🗑
|
||||
| whats an atomic number? | the number of protons in the nucleus of each atom of that element
🗑
|
||||
| what did the alchemist hennig brand discover? | phosphorus
🗑
|
||||
| how was the microwave discovered? | in WW2 workers would warm themselves next to magnetron machines and one time someone noticed that their candy bar melted
🗑
|
||||
| Why is marie curie a famous chemist? | she worked with radioactivity
🗑
|
||||
| whos antoine lavoisier? | "father of chemistry" discovered oxygen
🗑
|
||||
| whos linus pauling? | worked on chemical bonding
🗑
|
||||
| what was john daltons atomic theory? | all matter is made up of tiny building blocks, atoms, that cant b created or destroyed; atomic model-> O
🗑
|
||||
| what was william crooks atomic theory? | atom contained charged particle O(+-)
🗑
|
||||
| what was jj thompsons atomic theory? | atoms contained equal numbers of charged particles, making it nuetral
🗑
|
||||
| whats ernest rutherfords atomic theory? | the atoms nucleus was positive and was surrounded by negativly charged electrons
🗑
|
||||
| whats niehs bors atomic theory? | electrons orbit nucleus in circular pattern (electron cloud theory)
🗑
|
||||
| what was the 1st chemical reaction discovered? | fire
🗑
|
||||
| whats alchemy? | the science of changing cheap metals into expensive metals. :philosophers stone; urine was important
🗑
|
||||
| whats an isotope? | same element, different number on nuetrons. and different atomic mass
🗑
|
||||
| how many isotopes does carbon have and what are they called? | 2; carbon 12 and carbon 14
🗑
|
||||
| how many hydrogen isotopes are there and whats their names? | 3; hydrogen 1, hydrogen 2, hydrogen 3
🗑
|
||||
| when is a shell considered full? | when there's 8 electrons
🗑
|
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:
VaLeRiA!
Popular Chemistry sets