英语翻译Everything in the universe is made of atoms,a bit like t
英语翻译Everything in the universe is made of atoms,a bit like t
英语翻译arrange the following atoms in order of increasing atomi
英语翻译The distribution of electrons in atoms,molecules,andsoli
英语翻译All matter is made from atoms.It would take more than a
英语翻译In this great universe of ours,man is a mere insect,an a
英语翻译The number of atoms present in 36 molecules of glucose (
英语翻译The universe,they say,can be seen in a grain of sand,and
英语翻译"Yes,I agree,because everything in the Universe has its
英语翻译With respect to the surface atoms of the material,only a
英语翻译them in a tank(容器) of water.The tank is made of clear gl
an element is a substance , all of _______ atoms have the sa
the amount of substance of oxygen atoms is