For a1, its atomic number is 13 and its mass number is 27 how many neutrons does it have?

The temperature of 2.00 mol Ne (g) is increased from 25°C to 200°C at constant pressure. Assuming the heat capacity of Ne is 20.8 J/K·mol, calculate the change in the entropy of neon. Assume ideal gas behavior. a.+19.2 J/Kb.-7.68 J/Kc.+7.68 J/Kd.-19.

What is true when an element is oxidized?

Half of the first 18 elements have an odd number of electrons, and half have an even number. Show why atoms of these elements aren't half paramagnetic and half diamagnetic.

Jane often make inferences what is an example of an inference she made about the chimpanzee

Why can sand stop fire?

Why does water vapor exist naturally in the atmosphere

How is the volume of a gas related to its concentration of particles? As the volume of a contained gas expands, its pressure concentration of particles will increase.

How does the density of one penny compare with the density of two pennies

How many valence electrons does beryllium have

How does the arm wrestling tournament represet what Rutherford found out about the positive and negative charges and atom