100% short length
100% medium length
100% long length
50% long , 50% short

What element breaks down into yttrium-90?

Which statement describes james chadwick’s discovery.

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.