There is no single definition but bodies like the IMF, World Bank and CIA usually only define about 30 high-income countries as "developed". Ukraine, by all of these definitions, is not a developed country. It is a developing country.
Yes
Sure, Yes!
yes
Ukraine.
yes Ukraine is a wealthy country.
developing
This country is Ukraine.
Ukraine is a country that is located in Eastern Europe that shares borders with Russia, Poland and Hungary. Yes, Ukraine is a Balkan Country.
Ukraine is a country in eastern Europe.
No. Nigeria is a country in Africa. Ukraine is a country in Europe.
Ukraine is a country itself. If you mean "Is Ukraine only in one CONTINENT?", then yes, Ukraine is only in one continent called EUROPE.
Crimea doesn't include any country, it is a part of Ukraine.
Ukraine
In a way. Ukraine is a part of Russia, and Russia is the largest country in the world. Ukraine is quite small actually.