Why isn't the mass of the electron included in the mass of an atom on the periodic table?

True or False During Solar Maximums, the thermosphere is bigger because it is warmer.

A disadvantage of corporations is that shareholders have to pay blank on profits

A 30.0 L container was filled by pumping into it 10.0 L of CO2 gas at 60.0 torr of pressure and 20.0 L of O2 gas at 50.0 torr of pressure. All volumes and pressures were measured at the same temperature.

Read the false statement. In an atom, protons and electrons are in the nucleus, which is surrounded by neutrons.

Co to jest wartościowość pierwiastków chemicznych.

Compared with a ph of 7, a solution of ph 5 has what times/fraction of the hydrogen concentration?

Write a formulae equation to represent the combustion of carbon to form carbon dioxide and the thermal decomposition of magnesium carbonate

A5.00 liter ballon of gas at 25 degree Celsius is cool to 0 degrees Celsius. What is the volume (liters) of the ballon?

How much thermal energy (q) is required to heat 15.2 g of a metal (specific heat = 0.397 J/G) from 21.0 degrees C to 40.3 degree C

Two gas jars are connected to each other, but they are separated by a closed valve. One gas jar contains oxygen, and the other is empty. What will happen when the valve is opened?