Calculate the atomic mass of element “X”, if it has 2 naturally occurring isotopes with the following masses and natural abundances:    X-45        44.8776 amu      32.88% X-47         46.9443 amu       67.12%

How many Hg atoms are contained in 496 g of Hg? NA = 6.022 x 1023  

What electron geometry does a molecule containing a central atom with sp2 hybridization have?

What volume will a balloon occupy at 1.0 atm, if the balloon has a volume of 6.6 L at 3.3 atm?

Fake metallic element (Fa) forms a compound [FaO3]-1  what is the oxidation state of Fa?  

What electron geometry does a molecule containing a central atom with sp3 hybridization have?

The specific heat capacity of liquid mercury is 0.14 J/gK. How many joules of heat are needed to raise the temperature of 5.00 g of mercury from 25.1°C to 65.3°C?

How many Hg atoms are contained in 496 g of Hg? NA = 6.022 x 1023  

Calculate the energy in J of a photon of light that has a wavelength of 385 nm.   c= 2.998 x 108 m/s       h=6.626 x10-34 J s

Calculate the atomic mass of element “X”, if it has 2 naturally occurring isotopes with the following masses and natural abundances:   X-45        44.8776 amu      10.88% X-47         46.9443 amu       89.12%