10. Is the identity of an element determined by its mass number or atomic number?

By omak

in carbon dioxide gas, the carbon atom forms two double bonds. what will the geometry of the bonds be

Calculate the pH of a solution with a [H3O+] concentration of 3.0 x 10-9 M.

Lithium-6 is 4% abundant and lithium-7 is 96% abundant. What is the average mass of lithium?

2. _Sn + _NaOH→_NaSnO2 + _H2 3._H2SO4 + _NaCN " _HCN + _Na2SO4

If the dimensions of a cube-shaped cell with a volume of 1 pm were to double, what would be the new surface area of the cell? O A: 12 um O B. 24 uma O c. 6um O D. 3 um

A cup can hold 50 ml of water and has a mass of 25g. If each penny weighs 2g, how many pennies can it hold before it sinks in fresh water? Explain how you got your answer.

How many moles of FeO are produced if 8 moles of CuFeS, are consumed?

Will mark as Brainliest. How much energy is released when 16.5 g of steam is condensed at 100 degrees Celsius? -37290 J -3729 J -136 J -136 kJ

What is the mole fraction, x, of solute and the molality for an aqueous solution that is 16.0 % NaOH by mass

What is the square root of 54554? What is the square root of 35654?