It is the number of an element in thePeriodic table of the elements.结果一 题目 What is the atomic number of an element?ps:Please answered in English 答案 译文,什么是元素的原子序数?It is the number of an element in thePeriodic table of the elements.相关推荐 1What is the atomic number ...
While the name antimony comes from Greek, the chemical symbol is based on the Latin name of stibium. Answer and Explanation: 1 Become a Study.com member to unlock this answer! Create your account View this answer Antimony has an atomic number of 51. It is a metalloid element, ...
Ether is a necessary element — a fuel — for operating the distributed application platform Ethereum. It is a form of payment made by the clients of the platform to the machines executing the requested operations. To put it another way, ether is the incentive ensuring that developers write q...
What role does atomic number play in the periodic table? What are the first 20 elements and their atomic numbers? What elements on the periodic table are gases? What one characteristic of an atom determines what type of element it is?
Every element has a unique atomic number. This is the number of protons in the nucleus of each atom. What is the atomic number of this helium atom? A neutral atom must have equal numbers of protons and electrons, so the atomic number of an element also gives the number of electrons. He...
Answer to Solved what is the atomic number and atomic mass of the | Chegg.com
An element's atomic mass is equal to the sum of the individual particle masses of an atom. Atoms have three basic particles which include protons, neutrons, and electrons. The standard unit for measuring atomic mass is the Dalton (u). ...
1. Which of the following is true about elements? Each have their own symbol All are named after scientists. All have symbols that are only one letter. They can be broken down into other things. 2. What does an element's atomic number do?
The number of protons in an atom is unique to each element. For example,carbonatoms have six protons,hydrogenatoms have one andoxygenatoms have eight. The number of protons in an atom is referred to as the atomic number of that element. The number of protons also determines the chemical be...
What is the symbol and atomic number of chromium? Chromium: Chromium is an element that forms alloys with aluminum and it is also used in the preparation of emerald a gemstone. It is used in paints. It is used in the process of plating which gives a shiny look. ...