end of yeqar Flashcards
what two elements are liquid at room temperature
hg and br
whats group 1 of the periodic table
alkali metals
whats group 7 of the periodic table
halogens
whats group 8 of the periodic table
noble gases
whats group 2 and 3 of the periodic table
transition elements
what is a popular conducter
shiny metals
what is on the LHS on the pt
metals
whats on the rhs of the pt
non metals
what can sodium hydroxide solution be used to test?
To indicate the presence of metal ions
what cam the colour of the solution identify
the metal present
whats the test for hydrogen gas
burns w a speaky pop
whats the test for oxygen gas
re-lights a glowing splint
test for carbon dioxide is
turns limewater milky
what are the three forms of calcium carbonate
chalk, marble and limestone
what do eggshells contain
calcium carbonate
what is glass made from
sodium carbonate
calcium carbonate + hydrochloric acid——-
calcium chloride + co2+h20
what do you use to test for sulfates
barium chloride
whats hroup 7 of the periodic table
haolgens
how do you test to see if a solution contains chloride bromide or iodide ions
using silver nitrate
what dose (aq) mesn
aqueous-disolves in a solution
what is a hydrocarbon
hydrocarbons are compounds that contain hydrogen and carbon only
what is used to idnetify halideions
silver nitrate
what colour is chloride
white precipitate
what colour is bromide
cream precipitate
what colour is rodine
yellow
what is photosynthesis
the process by which plants make carbohydrates from carbon dioxide
whats the process in which energy is released from carb hydrates from plants and animals
respiration
fossil fuels consist of what compounds
hydrocarbons
what do hydrocarbons produce when burnt
co2 and h20
hydrogen + oxygen ——
water
wwater——(electroysis)
hydrogen + oxygen
