Describe the three temp scales used in the labratory and in everyday life

If a reactant is in the solid state, a (g) is placed as a subscript after the chemical formula. true or false

How many neutrons are in selenium - 36?

What is the molarity of a solution containing 11.2 g Ca (NO3) 2 in 175 mL of solution? What is the molarity of a solution containing 11.2 in 175 of solution? 1.96*103 M 64.0 M 0.063 M 0.390 M

Explain why Group 1 elements tend to form 1 + ions and Group 7 elements tend to form 1 - ions. a) the number of electrons of the ions will be even numbers b) the electron configuration of the ions will match that of a halogen c) the electron

As electricity flows through a copper wire, the temperature of the wire increases. Some parts of the wire get warmer than others, but over time the wire is the same temperature from end to end.

Fish need at least 4 ppm dissolved o2 for survival. part a what is this concentration in mol/l?

How does a runoff get polluted.

Anatom that has lewer neutrons than protons and more electrons than protons is

Which can have either a positive charge or a negative charge when they are released during radioactive decay? A. alpha particles B. beta particles C. positrons D. photons

Which ionic compound is water soluble? A. cuS B. NH4NO3 C. SrSO4 D. ZnF