The pH scale is used to tell if a substance is an acid or base. Substances with a pH
of 7 are neutral. An acid is anything
below 7 and a base is anything above
7.What would a household cleaner with a
pH of 10 be considered on the pH scale?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Define dew point. i am writing this part to be able to ask the question

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?