Deliquescent substances are also?
efflorescent
anhydrous
hygroscopic
insoluble
Correct answer is C
No explanation has been provided for this answer.
Helium is often used in observation balloons because it is?
light and combustible
light and non-combustible
heavy and combustible
heavy and non-combustible
Correct answer is B
No explanation has been provided for this answer.
Which of the following statements is FALSE about isotopes of the same element?
They have the same number of electrons in their outermost shells
They have different atomic masses
They have the same atomic number and the number of electrons
They have the same atomic number but different umber of elelctrons
Correct answer is D
No explanation has been provided for this answer.
The ability of ionic solids is generally due to the?
negative electron affinity of most atoms
crystal lattice forces
electron pair sharing
positive ionization potentials
Correct answer is B
No explanation has been provided for this answer.
In the oil drop experiment, Millikan determined the?
charge to mass ratio of the electron
mass of the electron
charge of the electron
mass of the proton
Correct answer is C
No explanation has been provided for this answer.