Below are some nuclei containing different numbers of protons and neutrons. Which one is an isotope of potassium? A) Arsenic
B) Selenium
C) Iron
D) Argon

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.

Heat is the total potential energy of a substance that can be transferred. true false