Calculate the molar mass of dimethylnitrosamine, (CH3)2N2O in g/mol

Determine the mass of a carbon rod that has a volume of 94.30 cm3 and a density of 2.26 g/ cm3.

Which of the statements is not correct about the element cadmium?

A sample of magnesium is burned in chlorine to form magnesium chloride. What mass of chlorine in grams is consumed if 95.21  g magnesium chloride is formed from 24.31 g magnesium?

How many electrons, neutrons and protons would be found in an atom of carbon-14 (atomic number 6)?

The amount of phosphorus in an 85 kg person is approximately 0.9 kg. What is the weight of phosphorus in pounds?

Indicate the sign of the charge (+; 0;  -)  for the following particles  proton [proton] neutron[neutron] cation [cation]

The radius of an atom of gold is  0.146 nm. Express it in mm.

Identify the following elements: The noble gas period 6 [1] Halogen period 2 [2] Alkali metal period 5 [3] The alkali-Earth metal period 4 [4]  The transitional metal period 5[5] Metalloid period 5[6]   

Cathode ray  is a beam of