Neutral atoms of a specific element can have different numbers of which?

Why does your shampoo bottle expand when you travel to colorado from san franciso?

Under laboratory conditions of 25.0 degrees C and 99.5 kPa, what is the maximum number of liters of ammonia that could be produced from 1.50 L of nitrogen according to the following equation? N2 (g) + 3H2 (g) - --> 2NH3 (g)

A block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. It has a mass of 213 g. Water has a density of 1.00 g/cm3. Will it sink in water? A). Yes B). No

Name and classify Kr and Xe.

Compared with warm fronts cold fronts are?

If one starts with pure NO2 (g) at a pressure of 0.500 atm, the total pressure inside the reaction vessel when 2NO2 (g) 2NO (g) + O2 (g) reaches equilibrium is 0.674 atm. Calculate the equilibrium partial pressure of NO2.

What kind of reproduction does this organism use?

In hunans gestation normally occurs while developing organusm in the

When an electron moves to another orbital farther from the nucleus, does it gain or lose energy?

A magnesium atom has 2 valence electrons in its third shell. Which is a TRUE statement about what happens when it forms an ion? A. It will be an anion. B. It will have more electrons than protons. C.