Which represents the empirical formula for X4Y8?

A. XY2

B. X2Y4

C. X4Y8

D. XY

What do a mole of magnesium (Mg) and a mole of iron (Fe) have in common? A. their number of atoms B. their number of molecules C. their number of electrons D. their number of protons

During conduction, thermal energy is transferred randomly between fast-moving and slow-moving particles during particle collisions. from slow-moving to fast-moving particles during particle collisions.

Calculate the pressure using the formula P=1.03 + mass on syringe/area of top of syringe

What element is used in making thermometers

One solution turns blue. A possible hydrogen ion concentration for this solution is: 1 * 10-2 M 5 * 10-2 M 5 * 10-4 M 1 * 10-8 M

Describe the development of the modern periodic table

How do you tell how many electrons an element wants to gain or lose?

An atom of element X has one more shell of electrons than an atom of beryllium, but it has one less valance electron than beryllium. Which element is X

Wich statement describes how basic coffee cup calorimeter works

How many atoms of potassium and how many atoms of oxygen must be present in the compound's formula?