Covalent bonding (with an electronegativity difference below 0.5) results when fluorine bonds with
a. hydrogen.
b. fluorine.
c. potassium.
d. iodine

i think its b, but i wanted to make sure

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

Why is retrograde motion an apparent motion