Which statement is part of Dalton atomic theory? A. Atoms are composed of protons neutrons and electrons B. Elements can have atoms that are isotopes
C. one type of atomcannot be changed to another type by a chemical reaction
D. Electrons move around the nucleus in an electron cloud

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

How do you convert celsius to kelvins

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)