Cards in this guide (13)
What does percent composition tell you about a molecule
It tells you how much of a molecule is made up of each element. - APEX
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.
How do hydrogen bonds compare with other intermolecular forces
Hydrogen bonds are stronger than dipole-dipole and Van der Waals
forces.
What is the correct electron configuration for Si atomic number 14
What elements have the largest first ionization energy
What is the best definition of a physical change
Answer this question… Which of the following is the best
definition of a physical change?
When food is exposed to air it can lose electrons. This loss of electrons creates reactive molecules that work to destroy the chemical bonds in the food causing it to spoil. What are these reactive mo
Which of the following has the smallest radius is K plus Rb Rb plus K
When would dipole dipole be significant
Dipole-dipole forces play a significant role when a molecule is
polar.
If the products of a reaction are CO2 and 2H2o what is known about the reactants
They do not include any C, O, or H atoms.
Which of the following has the largest radius K plus Na plus Na or K
Potassium has the largest atomic radius.
Which molecule or ion has a linear shape