if a gold atom is considered to be a cube with sides 2.5*10^-9m.Hom many gold atoms could stack on top of one another in gold foil with a thickness of 1.0*10^-7?on the average 1.0kg of aluminium consist of 2.2*10^25 atoms.How many atoms would there b

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if a gold atom is considered to be a cube with sides 2.5*10^-9m.Hom many gold atoms could stack on top of one another in gold foil with a thickness of 1.0*10^-7?on the average 1.0kg of aluminium consist of 2.2*10^25 atoms.How many atoms would there b
if a gold atom is considered to be a cube with sides 2.5*10^-9m.Hom many gold atoms could stack on top of one another in gold foil with a thickness of 1.0*10^-7?
on the average 1.0kg of aluminium consist of 2.2*10^25 atoms.How many atoms would there be in a block of aluminum 10cm by 1.2cm by 15.6cm,if the deusity of aluminum is 2.7g/cm^2,or2.7*10^3kg/m^3?

if a gold atom is considered to be a cube with sides 2.5*10^-9m.Hom many gold atoms could stack on top of one another in gold foil with a thickness of 1.0*10^-7?on the average 1.0kg of aluminium consist of 2.2*10^25 atoms.How many atoms would there b
1.假设金原子为一个2.5*10的负9次方米的立方体,那么在一张厚为1.0*10的负7次方的金箔上,有多少个金原子能一个挨一个地面对面地堆在这张金箔上?
2.平均一公斤铝由2.2*10的25次方个原子组成.那个一块10厘米*1.2厘米*15.6厘米的铝块有多少个原子?假设铝的密度在2.7克/每平方厘米,或2.7X10的三次方公斤/每立米
我不会做,只会翻译.没办法啦.物理学得不好.对不起啦

if a gold atom is considered to be a cube with sides 2.5*10^-9m.Hom many gold atoms could stack on top of one another in gold foil with a thickness of 1.0*10^-7?on the average 1.0kg of aluminium consist of 2.2*10^25 atoms.How many atoms would there b 翻译这句话哇,最好懂化学的进.If 2 atoms with the same atomic number are attached to a given carbon atom,then the next bonded atom is taken into account. The silence is a gold. 100分求一道物理题 If the mass of a hydrogen atom is 1.67*10^-27kg and the mass of an electron is 9.1*10^-31kg,how many electrons would be required to have a mass equivalent to one hydrogen atom? Gold is a girl的歌词~ 一道AP物理题How many different photon frequencies can be emitted if an electron is in excited state n=4 in a hydrogen atom?A 1B 3C 5D 6E 8 CHEMISTRY-RELATIVE ATOMIC MASSthe mass of a hydrogen atom 1/1H is equal to 1/12 of the mass of a carbon-12 atom,so its relative isotopic mass is 1.A magnesium atom 24/12Mg is twice as heavy as a carbon-12 atom,so its relative isotopic mass is 24再 英语主动变被动 A golden crown is made of gold.Gold ( )英语主动变被动A golden crown is made of gold.Gold ( ) ( ) ( ) a golden crown. 英语翻译A gold medal is a wonderful thing.But if you're not enough without one ,you 'll never be enough with one.以上.越快越好 - - silent is gold 还是silence is gold 英语翻译An energy level is a region of definite energy within the atom that electrons can occupy. 英文翻译成中文:Gold is valid but only if some modicum of society remains.英文翻译成中文:Gold is valid but only if some modicum of society remains after any sort of collapse or disaster. Which usually is the case, after a while. But This is a gold ring 改为一般疑问句 What is the use of gold to a h____ man in the desert?其实不一定要看下文,如果不理解意思,Once there l(ived) an old man.He liked gold b(etter) than anything else in the world.He often said If I have plenty of gold ,I shall be the h(appi 英语翻译This type of weak attraction between the hydrogen atom of one molecule and a slightly negative atom within another molecule is a type of chemical bond called a hydrogen bond send souls to heaven Gold is most excellent.Gold is a treasure!With gold,you can do whatever you like in this world,even send souls to heaven. how is it possible to use carbon dating to determine the age of a fossil if the among of Carbon-14 has already decayed?How do you know what the initial amount of Carbon 14 was?Show the beta decay of a carbon 14atom.大意就是 怎么用炭14去确 what would do if you won a gold medal in the Olympic Games?