How many hydrogen atoms are in 78.4 grams of hydrochloric acid

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

How does the atmosphere to make earth livable? check all that apply. causes the seasons contains oxygen provides warmth creates important nutrients blocks harmful energy from the sun plz like !