结果1 题目 可否翻译出原体,在给出英文答案?1.What is a proton,neutron,and electron?2.What is an element,mixture,molecule,and compound?3.What will determine if an object will float if is placed in a fluid?4.What is the unit of energy used in electricity bills?How many joules is this ...
What element has 6 protons, 8 neutrons, and six electrons? What element has 4 protons 5 neutrons and 2 electrons? How many protons does nihonium have? What is the name of a proton acceptor in a reaction? How many protons does berkelium have?
The existence and importance of the proton radius puzzle, observed via a Lamb shift measurement in muonic atoms, is discussed. Possible resolutions of the puzzle are discussed. Then the broader question of the meaning of the proton radius is addressed and examples of correctly defined charge ...
Deuterium is a promising ingredient because it is an isotope of hydrogen, containing a single proton and neutron but no electron. In turn, hydrogen is abundant in water. A gallon of seawater (3.8 liters) could produce as much energy as 300 gallons (1,136 liters) of gasoline. Tritium cont...
Furthermore, an atom is the smallest particle of an element. Most noteworthy, Atom is made up of three particles namely neutron, proton, and electron. All these elements have different properties, size, and mass. Let us discuss these elements in brief. What is Neutron? Neutron is the ...
. What happens when an element undergoes radioactive decay? During radioactive decay an unstable nuclei of an isotope. Nuclear Decay. Radioactivity The emission of high-energy radiation or particles from the nucleus of a radioactive atom.
The number of protons in an element determines its atomic number, Z. Hydrogen is the lightest element and has one proton (Z = 1); uranium is the heaviest naturally occurring element and has 92 protons (Z = 92). Each proton, which is assigned a mass of 1.00728 atomic mass units (amu)...
a) proton b) neutron c) electron What nuclide has 27 protons and 33 neutrons? An element has 43 protons and 50 neutrons. What is the atomic number of the element? A) 43 B) 50 C) 86 D) 93 E) 100 An element has 43 protons and 50 neutrons. What is the atom...
Proton (particle) A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark. Positron An elementary particle with positive charge; interaction of a positron and an electron results in...
element in the periodic table.But the atom is not the smallest unit of matter.Experiments found that each atom has a tiny, dense nucleus,surrounded by a cloud of even tinier electrons.The electron is, as far as we know,one of the fundamental, indivisible building blocks of the universe.It...