What type of reaction is shown here? 2 C3H5 + Fe — Fe(C5H3)2
O Double replacement
O Synthesis
O Decomposition
Single replacement
Combustion

the only liquid elements at standard temperature and pressure are bromine (br) and mercury (hg). although, elements caesium (cs), rubidium (rb), francium (fr) and gallium (ga) become liquid at or just above room temperature.

explanation:

they are both synthetic elements

explanation:

d

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

since electrons are negative the answer is neagtaive