Which statement is true about this reaction? It is a practical source of energy on Earth. It occurs only outside the solar system. Its product is heavier than each of its reactants. It shows the critical mass of an element.

What leads to the formation of an ionic bond with Hg22+? the attraction of a noble gas the attraction of an NH4 + ion the attraction of a group 1 element the attraction of an SO42 - ion

High-energy photons emitted by a radioisotope

What is a change in the DNA of a gene or chromosome

What stores water, waste, and nutrients for the cell? A Plasma Membrane B Vacuole C Golgi Body D Nucleus

How are biotic factors different from abiotic factors?

Cocaine and amphetamines are both classified as

What is the formula for aluminum sulfate?

What is the chemical formula for calcium carbonate

Which statement applies to electronegativity? electronegativity increases as the size of atom increases. electronegativity decreases as the size of atom decreases. there is no correlation between electronegativity and atom size.

Give the empirical formula of a compound that contains 77.735 % c, 7.471 % h, and 14.794 % o.