What is a thing that makes atoms of one element different from Atoms of another element

1) Why are the antimony and beryllium ions so small? Differentiate between the causes. 2) Why do both ions and atoms tend to grow larger as we go down the periodic table? 3) Why are the antimony and beryllium ions so small?

Which are inorganic substances? Check all that apply. gasoline salt copper sugar fat

Below is the equation of sucrose and sulfuric acid-producing carbon, water vapor and sulfur dioxide. C12H22O11 (s) + H2SO4 (aq) + 1/2 O2 (g) → _C (s) + CO2 (g) + 12H2O (g) + SO2 (g) What coefficient of _C (s) would balance this equation?

Which statement best describes a physical change

why is the Bacteria Flagellum good

Determine the name of the compound Li2O

Complete the reactions to show how butanoic acid may be converted to phenyl propyl ketone.

As a sample of the radioactive isotope 131I decays, its half-life (1) decreases (2) increases (3) remains the same

How many Joules of energy are required to change 10.0 gram of ice at - 2.0 C to water at 20.0 C? (use your constants) 440 J 66,000 J 880 4220 J

Why are Van der Waals forces important? A) They determine how strong dipole moments will be in polar covalent molecules B) They are the strongest type of intermolecular force that can act on polar and non-polar molecules C) They are primary