exam review questions

hydrogens reaction to a burning splint

makes a popping noise

oxygens reaction to a burning splint

reignite the fire

nitrogens reaction to a burning split

the fire will be extinguished

carbon dioxides reaction to a burning splint

the fire will be extinguished

sublimation

solid to gas

disposition

gas to solid

solid to liquid

melting

liquid to solid

freezing

liquid to gas

evaporation

gas to liquid

condensation

alkali metals chemical properties

react to both atmospheric oxygen and water vapour

alkaline earth metals chemical properties

all react to water except beryllium, oxidize, highly reactive

halogens chemical properties

highly reactive, form acids when combined with hydrogen

noble gases chemical properties

odorless, inert, colorless, nonflammable, and are neutral gases that have low chemical reactivity

viscous

high viscosity like honey

not viscous

low viscosity like water

inert

unable to move, not chemically reactive

is helium an inert gas?

yes it is because all noble gases are inert

are alkaline earth metals less reactive than alkali metals?

they are because they have one more valence electron than alkali metals

transpiration

water vapour from a plant to evaporation