1.A positively charged particle having the mass of the electron was discovered in 1932.
2. The scientist found that the substances produced were complex.
3. According to this theory dealing with atomic structure nucleus is a very small, compact, central part of an atom.
4. Elements composed of atom containing only one or two valence electrons usually form positive ions.
5. having investigated this phenomenon the scientist can make some important conclusions.
6. When freshly prepared this solution is colorless.
Now a lot of technologies created by chelrvek work to protect ectricity. The modern technologies that exist now are a telephone with which you can call from any access door. And there are also machines, but there is also such a machine that clings to ectricity and thanks to this does not pollute nature.
Technologies have not reached only before this, but also to a coffee machine that can independently make coffee. Technologies have also come to laptop computers and computers.
It is very convenient to miss laptop computers with you to work. You can work well on a computer in different programs that are not available on a regular smartphone.
Объяснение:
вот но это про технологии говорю заранее