Pūtaiao

hauwai

hydrogen (H)

tūingoa

WHAKAMĀRAMA

Ko te pūmotu māmā rawa atu. Kotahi anake te iraoho o te ngota hauwai, kotahi anō te irahiko. Kāore ōna iramoe. Ka hua ake te hauwai rehu i te hononga o ētahi ngota hauwai e rua, ko te H2 tōna tohu. He kōataata, kāore hoki he kakara. He tino ngingiha te hauwai, he pahū anō hoki. Ina tauhohe me te hāora he nui te wera ka puta, me te wai (H2O) anō hoki. Arā:

2H2 + O2 → 2H2O + wera

The lightest of all of the elements. A hydrogen atom contains only one proton, one electron and does not have any neutrons. The gas consists of two hydrogen atoms bonded together, giving the symbol H2. It is transparent and odourless. Hydrogen is very combustible and explosive. When combined with oxygen, a large amount of heat is produced along with water (H2O). The chemical equation is:

2H2 + O2 → 2H2O + wera

Tauira KŌrero

He aha te tau iraoho o te hauwai?

Hoahoatia te hono mai o ngā ngota hauwai e rua.

He tino hahaka te pae koropupū o te hauwai – ko te 259° tōraro (–259°)

WhakamĀrama Āpitihanga

Ko te hauwai te pūmotu tino huhua i te ao tukupū. Koia te pūmotu matua o roto i ngā whetū.

He maha ngā whakamahinga o te hauwai, pērā i te kora waka ātea, me te whakamārō i te hinu huawhenua hei whakaputa māheri.

He mea hanga ngā mea ora katoa ki ngā momo matū, pērā i te warowaihā, te pūmua, me te hinu. Ko te hononga o te hauwai (H) me te waro (C) ngā pūmotu matua i roto i ēnei matū katoa.

Takenga Mai

hau (haurehu) - gas

wai - water

KUPU KĒ ATU

haitorana (kupu mino)

Tauira KŌrero

He aha te tau iraoho o te hauwai?

Hoahoatia te hono mai o ngā ngota hauwai e rua.

He tino hahaka te pae koropupū o te hauwai – ko te 259° tōraro (–259°)

WhakamĀrama Āpitihanga