In an electron configuration code, superscripts placed on sub- levels indicate the number of

a)Shells
b) Orbitals
c )Sub-shells
d )Electrons

How air particles exert a pressure on the inside of the balloon

Which change to the system wood cause the freely-moving piston to lower?

Which of the following describes qualitative data? a) recording the temperature of a solid as it is warmed. b) noting the color of a solution as it is heated. c) measuring the volume of an object by water displacement. d) taking the mass of an object using a balance.