Author: Tru Physics
-
Boron
Boron is a chemical element with the symbol B and atomic number 5. It is a metalloid, meaning it has properties of both metals and nonmetals. Boron is a relatively rare element in the Earth’s crust, but it has many important uses in industry, medicine, and science. Atomic Number 5 Electron Configuration Electrons Per Shell…
-
Beryllium
Beryllium is a chemical element with the symbol Be and atomic number 4. It is a relatively rare element, and is extracted from beryl, a mineral that contains traces of beryllium compounds. Beryllium has many useful properties, including high strength, low density, and excellent thermal conductivity, which make it a valuable material in a variety…
-
Lithium
Lithium is a soft, silver-white metal with the atomic number 3 and the symbol Li. It is a member of the alkali metal group and is the lightest of all metals. Lithium has a very low density and is highly reactive, which makes it a useful element in many applications. It was first discovered in…
-
Helium
Helium is known for its unique properties including its low density and non-reactivity. It was first discovered in 1868 by French astronomer Jules Janssen and British astronomer Joseph Norman Lockyer, who observed a yellow spectral line in the light of the sun during a solar eclipse. Atomic Number 2 Electron Configuration Electrons Per Shell 2…
-
Hydrogen
Hydrogen is the most abundant element in the universe. It has a wide range of applications in industry, energy, and transportation. Its versatility and abundance have led to intense research and development in the field of hydrogen technology. Some important characteristics are summarized in the table below. Atomic Number 1 Electron Configuration Electrons Per Shell…
-
Projectile Motion–Rubber Bands and Hex Nuts
[This experiment can be completed at home without specialized equipment. The difficulty level is: Moderate.] The purpose of this lab is to understand that motion in the x-direction is independent of motion in the y-direction. To do this, a projectile is launched horizontally off of a table into a cup or bowl some calculated distance…
-
Simple Pendulum
[This experiment can be completed easily at home without specialized equipment.] The purpose of this lab is to determine how a pendulum’s mass affects the period of its swing. Furthermore, we wish to determine an experimental value for the acceleration due to gravity and compare that to the known value of Please note that this…
-
How much energy is required to lift the Great Pyramid of Giza…
How much energy is required to lift the Great Pyramid of Giza to its current height, and how does that compare to the energy output of a nuclear bomb?
-
How much energy is required to power all of NYC for a day…
How much energy is required to power all of New York City for a day, and how does that compare to the energy output of the Sun?