Salt,Sugar
Compound is made out of different types of atoms. Some of the examples are, H20, Co2, KMno4. Elements are made out of only the same atom.
Some examples of closed compound nouns are:arrowrootbaseballcardboarddeadbeatelderberryfireplacegoalposthouseboaticebergjumpsuitkeepsakelunchboxmeatloafnotebookoutsideportholequartermasterrooftopsoapsudstenderfootunderdogviewpointwarthogyearbookzooplankton
There are elemental compounds, but there is no such thing as a compound element.
Some examples of closed compound nouns are:angelfishbathtubcornbreaddowntownearthenwareflagpolegaslightheartbeaticebergjitterbugkeepsakelongbowmanholeneighborhoodonionskinpancakequarterbackrosebudsunbeamtownhouseunderdogvanguardwatermelonyearbookzookeeper
Some examples of single elements are oxygen, gold, and carbon. Compounds of elements include water (H2O), carbon dioxide (CO2), and sodium chloride (NaCl).
Some examples of plants with compound leaves include poison ivy, clover, and rose.
i do not really know
Some examples of solid compound words are: butterfly, notebook, bedroom, and rainbow.
H20 (water)
CaSO4
Some closed compound words:afternoonairplaneanytimebackyardbirthdayblackmailboardwalkbookmarkboyfriendcakewalkcallbackcandlelightcannotcenterpiececlotheslinecrosscheckdaylightdaytimedeadlinedoorwayeveryoneeverythingeyebrowfanfaregirlfriendglasswaregrandparentshearsayhometownhorseplayhousecoaticebreakerinkblotinsideintojackknifekeepsakekingpinlandlordliftofflinebackerlookoutlovebirdsmankindmaybemoreovernameplatenewspapernightgownoffhandoutcomeoverlookpancakepigpenpineappleplaygroundquarterbackracetrackringwormroadwaysomethingstopwatchsuitcasesunshinetreadmillteapotteammateunderwearupgradeviewpointvineyardwheneverwishboneworthwhilewristbandyearbookzookeeper
water