Calcium is an element, so calcium makes up calcium.
oxygen
Carbon
Carbon is the only element necessarily contained in diamond and graphite.
Polonium is an element. So the only element that makes up polonium is itself.
The element that makes up most of the earths CORE is iron.
radioactivity.
nuclear binding energy
Nuclear power works by splitting open nuclear atoms. The energy escapes and opens up more nuclear atoms. The scientists use this energy to power homes and appliances.
Hydrogen is an element, there will be atom that makes up an element and not element that will turn into another.
Calcium is an element, so calcium makes up calcium.
Sulfur is an element in its own right. So the only element that makes up sulfur is sulfur.
it is a electro9n
Calcium
CARBON
carbon