What you need is a clock that uses the elementcesium(pronounced SEE-zee-em) to keep time! All elements are substances that are made up of just one kind of atom.Atomic clocksuse the tiny pieces that make up each atom to keep time. The most accurate clocks in the world use cesium becau...
Cesium (or Caesium) is a chemical element with the symbol Cs and atomic number 55. Caesium is a soft alkali metal that is silvery-gold. It melts and liquefies at 83 degrees Fahrenheit and is one of only five metals that are liquid close to room temperature. Caesium is a metal that is...
What is the electronegativity of cesium? What element has the atomic number 53? What element has an atomic number of 17? What element has atomic number 4? What element has atomic number 26? What element has the atomic number 28? What element has the atomic number 1?
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Time can be marked so accurately, in fact, that the international standard for the definition of a second is based on cesium 133, an element used in the most precise atomic clocks in the world. Atomic clocks rely on the use of an oscillator that is tuned to the frequency in which ...
What chemical element is Ge? What element has the atomic number 7? What element has an atomic number of 80? What element has the atomic number 67? What element is atomic number 54? What element has an atomic number of 88? What element has the atomic number 27?
An isotope is a variant on an element that has a different atomic weight from other variants. Except for the commonest form of hydrogen— which has only a proton— every atomic nucleus in normal matter is made of both protons and neutrons. Isotopes of a given element have the same number...
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