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 ...
What isotope has an atomic number of 86 and 136 neutrons? What is the atomic number, mass number, and number of protons of a neutral silver atom? What is the relationship between the number of protons and the atomic number? The mass number of an element is 18. It contains 7 electrons....
What is the atomic number of the element present in the second period and group 15. View Solution The effective nuclear charge of an element with three valence electrons is 2.60. What is the minimum atomic number of the element? View Solution ...
The atomic number of the element fluorine (F) is 9. To obtain this number, we refer to a periodic table, where all the elements are arranged according...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your...
Atoms are the foundation of matter, which is everything that makes up the universe around us. Each kind of atom makes up a pure substance called an element. You may have heard of oxygen, lead, and gold. Well, these are all examples of elements. Can you believe that a pure gold ...
Atomic number (Z) : The number of electrons or protons in an atom is called the atomic number. It is denoted by Z.
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.
In an electrically neutral atom, the atomic number (number of protons) is equal to the number of electrons. Why the Atomic Number Is Important The main reason the atomic number is important is because it's how you identify the element of an atom. Another big reason it matters is because ...
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 behavior of the element. Elements are arranged in thePeriodic Table of the Elementsin order of increasing atomic number...
The atomic number of an element is a unique number for each element found on the periodic table of elements. It is usually located above or to the upper left of the chemical symbol and indicates the number of protons in the nucleus of an atom of that element....