We know volcanoes on Earth are always erupting thanks to plate tectonics. If volcanoes are always erupting why do you think our Earth is still the same size?

c (diamond),

sio2 (quartz)

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

може ли да зареждате повече информация, моля