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The density of iron at 20°C is 7.87 g/cm³. A graduated cylinder was filled with water to a volume of 43.5 mL. Then a block of iron was added to the water in the cylinder, causing the level of the water to rise to 51.5 mL. Calculate the mass of the block of iron.
The valence orbitals of a central atom surrounded by six regions of electron density consisting of six sp3d2 hybrid orbitals form what type of structure?Select the correct answer below:t-shapedtrigonal bipyramidaloctahedralseesaw
1) Write out the condensed electronicconfiguration for Co in[Co(OH2)6]2+ 2) What is the oxidation state of Co in[Co(OH2)6]2+
6.02 x 10^23 atoms of Fluorine is equal to 1.6 x 10^23 moles, 2.9 g, 3.18.998 amu, 4.1 mole.
Why is a sigma bond formed from the overlap of two sp2 orbitals stronger than one formed from the end-on-end overlap of two p orbitals?
What element in Period 5 has 7 valence electrons?a.Mnb.Tcc.Id.Ate.None of the above