Protons are nearly 2000 times as heavy as electrons.質(zhì)子的質(zhì)量幾乎是電子的2,000倍。The neutrons and protons form the core of the atom.中子和質(zhì)子構(gòu)成了原子核.Electrons are negatively charged with electricity, protons are positively charged.電子是帶負(fù)...
An atom itself is a complete whole, with its electrons, protons and neutrons and other elements...一個原子本身就是一個完整的整體，包括電子、質(zhì)子、中子及其他元素。The neutrons and protons form the core of the atom.中子和質(zhì)子構(gòu)成了原子核.A substance donates protons...