A particular atom has 58 protons and 82 neutrons. what are the atomic number, mass number, and periodic table symbol of this isotope?

How do we use biomass as an energy source?

if 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element Y would combine with 12 grams of X to form the same compound?

Convert 2.70 atm to torr

In one experiment, you do not have the metal oxalate product as dry as possible. How might this affect the pyrolysis procedure?

In the equation hcl (g) + h2o (l) ® h3o + (aq) + cl - (aq), which species is a brønsted-lowry acid? a. hcl

What is the independent and dependent variable for a dry ice experiment

a substance that undergoes a physical change like melting is still the same substance is it true or false

What is a polar molecule

A mixture of He He, N 2 N2, and Ar Ar has a pressure of 22.1 22.1 atm at 28.0 28.0 °C. If the partial pressure of He He is 2475 2475 torr and that of Ar Ar is 1049 1049 mm Hg, what is the partial pressure of N 2 N2?

Oceans make the temperaturs of nearby land more extreme ... True or false