Which of these statements would the scientists who discovered ununbium most likely agree with?

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.

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?

Describe the properties of sodium, chlorine, and sodium chloride