What is the symbol for the ion with 19 protons and 18 electrons?

Why does a weather balloon pop if it goes too high? A. The volume of gas increases as the amount of gas in the balloon increases. B. The pressure in the balloon decreases as the temperature increases. C.

A chemical that can superheat or give off poisonous vapors when it comes in contact with air or water is called

A carpet sells for 25.99 a square yard. what is the price of the carpet per square meter

What is a real life example of osmotic pressure?

If 2 electrons are shared equally in bromine, what type of bond is represented

For the reaction: 2H2O2 → 2H2 + 2O2, what is the total number of moles of O2 produced from the complete decomposition of 8 moles H2O2? A) 2 moles B) 4 moles C) 8 moles D) 16 moles

If you have 15 grams of water, how many molecules of water do you have?

What is the volume of an object with a mass of 220g and a desnisty of 55cm3?

What is the most accurate description of compounds?

H3PO4 conjugate base