2points
what is a phase diagram?
o a. a diagram showing the effects of temperature and pressure on
phase
b. a diagram showing the phase changes between reactants and
products
o
c. a diagram showing the relationship between molecular shape and
phase
o
d. a diagram showing the effect of molar mass on the phase of a
substance

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:

Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction