Cards in this guide (14)
What is molarity pure water
the molarity of water is 55.5.
What elements have the smallest value for first ionization energy
The alkali earth metals have the smallest first ionization
energies.
Which term describes the describes the disorder of random molecular motion
Does H2 have a molecular dipole moments
No. H2 does not have a permanent dipole moment.
How is the name of the second element in a covalent molecule changed
The ending of the second element is changed to -ide
Why are prefixes not needed in naming ionic compounds
Ions combine in only one ratio, so prefixes are not needed.
What best describes a bond formed between two unlike atoms
The type of bond is determined by the difference in
electrongativity of atoms
How many total electrons can the d orbitals hold
What happens to the atomic radius when an electron is lost
The positive ionic radius is smaller than the neutral atomic
radius
Which electrons in an atom have the highest energy level
What bond is formed between two identical atoms
Which of the following has the smallest radius is K plus Rb Rb plus K
Which molecule or ion has a trigonal planar shape
Which molecule or ion has a linear shape