Name 5 radioactive substances.
No spam..not less than 5...
Answers: 2
Chemistry, 22.06.2019 12:50, khorasanpublic
The number at the end of an isotope’s name is the number.
Answers: 1
Chemistry, 22.06.2019 22:30, vhife4901
Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.
Answers: 1
Chemistry, 23.06.2019 00:30, ejuarez2020
When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two
Answers: 2
Mathematics, 08.11.2019 02:31
Mathematics, 08.11.2019 02:31
Mathematics, 08.11.2019 02:31
Chemistry, 08.11.2019 02:31
Mathematics, 08.11.2019 02:31