What is the difference between protons, neutrons, and electrons? How many protons, electrons, and neutrons are in Hydrogen-3 atom? What subatomic particles (protons, neutrons, and or electrons) are found in the nucleus of an atom? What element has 20 protons? What element has 26 protons?
What element has 6 valence shell electrons and 16 protons? Write about the element in the periodic table with atomic number 60. What is the name and symbol of the element that has an atomic number of 11 and 12 neutrons? How many electrons does a neutral atom of this element have? What ...
Protons and Neutrons: What Are They?Jean Louis Van Belle
aThe element X has three isotopes: X-221, X-220, and X-218, with masses 220.9, 220.0, and 218.1 amu. The relative abundances of these three isotopes are 74.22%, 12.78%, and 13.00%, respectively. Calculate the atomic mass of element X. 元素x有三同位素: X-221, X-220和X-218,与大量...
Consider the element Au (Atomic Mass = 197). How many protons, neutrons, and electrons does a neutral atom have? An element has an atomic number of 114 and an atomic mass of 285. How many protons, neutrons, and electrons does a neutral atom of this element have?
An atom is a thing; an element is a type of thing. An atom is a collection of protons, neutrons and electrons. A single, isolated atom in its neutral state has some number of protons, the same number of electrons and some number neutrons (about as many as protons for the lighter ...
4 Lithium has two naturally-occurring isotopes, Li and Li.(a)What do you understand by the term isotope?atoms with same numbe of protons but differen numbe of neutrons•■■■...……...[1](b)Draw a labelled diagram to show the atomic structure of an atom of Li.Show the particles...
1. Definition of Protons: Protons are positively charged particles found in the nucleus of an atom. Each element has a unique number of protons. Hint: Remember that protons contribute to the overall charge and identity of the atom. 2. Atomic Number: The number of protons in an atom is ref...
- Hint: Atomic mass of an element can be determined from knowing the atomic number of the element and the number of neutrons present. In case of sodium the atomic number is 11.Formula used: Atomic number + Number of neutrons Complete step by step answer:...
12 protons, 12 neutrons, 10 electrons. 10 Reactivity Reactive in elemental form. Less reactive, stable in ionic form. 11 Occurrence In elemental Magnesium. In compounds and biological systems. 12 Role and Use Basic unit of element, used in manufacturing. Important in biological functions, forms ...