What is the smallest unit of an element that still can be identified as a specific element?

What is the number that you never write as a subscript?

If there are 11 protons and 10 neutrons in the nucleus of an atom, what is the atomic number?

You wash dishes for a chemistry laboratory to make extra money to pay for for laundry. You earn 6 dollars/hour, and each shift lasts 75 minutes. Your laundry requires 6 quarters/load.

What is thermal energy? a: the average overall volume of a system b: the total number of molecules in a system c: the kinetic energy of particles in a system d: the measure of temperature in a system

Which of the following will allow more solute to be dissolved in a solvent? Choose all that apply. A) Adding more solute B) Cooling the solution C) Agitating the solution D) Adding heat E) Using larger crystals

How many hydrogen atoms are present in 0.70 moles of ptcl2 (nh3) 2?

What is the [H3O+] of a solution with a pH of 2.56? 2.56 M, 2.75 x 10-3 M, 363 M, or - 0.408 M

What is the law of conservation of energy? A) energy can only be destroyed B) energy will always be renewed. C) energy cannot be created of destroyed. D) energy can never change forms.

Most metals are solid at room temperature, malleable, ductile, good conductors of heat and electricity, and react in acids to produce hydrogen gas. which of the properties mentioned is a chemical property? a. are malleable b. reacts with acids c.

Silver tarnishes when it comes into contact with hydrogen sulfide in the air. physical property or chemical property