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Who comes down but never goes up?

Your age, height. ha ha ha whatever perfect answer this only guys.


What is the abbreviation for helium?

He - Helium


Why does a balloon filled with helium gas rise to a particular height and doesn't rise further?

A balloon filled with helium rises until it reaches a point in the atmosphere where the density of the surrounding air equals the density of the helium inside the balloon. At this point, called buoyant equilibrium, the balloon stops rising because the forces of gravity pulling it down are balanced by the buoyant force pushing it up.


What is the simble for helium?

The symbol of Helium is He. Helium's atomic number is 2.


Is the difference between helium in a jar in helium?

helium in a jar diff from helium atom


What are the symbols for hydrogen and helium?

The symbol for hydrogen is H, and the symbol for helium is He.


What is the abbreviation for gas helium?

The abbreviation for gas helium is He.


What is the word equation for liquid helium?

There is no word equation, except that helium will exist as liquid phase in liquid helium


How many helium balloons would you need to fly in the house?

The number of helium balloons needed to lift a person will depend on the person's weight. On average, it takes about 3-5 large helium balloons to lift 1 pound. For example, to lift a 150-pound person, you would need roughly 450-750 balloons. It is important to consider factors like air currents and ceiling height when attempting to lift objects with helium balloons indoors.


What is the formulae for helium?

Helium: He


How do you spell helium?

helium


What element has 2 protons 1 neutron and 2 electrons?

Helium has 2 protons, 2 neutrons and 2 electrons. The symbol for helium is He and the atomic number is 2.