What happens if you try to move the atoms very close to each other?

What element breaks down into yttrium-90?

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h