As long as the number of protons in an atom equals the number of electrons, the atom remains uncharged, or neutral. When an atom gains or loses electrons, it becomes an electrically charged ion. An atom that gains electrons becomes a negatively charged anion. An atom that loses electrons b...
What is the atomic number of strontium? Atomic Number: The atomic number is equal to the number of protons in an atom. The number of protons is the definitive feature of an element and all atoms of the same element have the same number of protons. ...
Question: The number of protons in an atom is referred to as the: a. mass number b. atomic mass c. atomic number d. charge Proton: Proton is a subatomic particle that lives inside the nucleus of an atom. It is positively charged and has a ch...
Calculation Of Number Of Protons And Neutrons View Solution The number of protons and neutrons is always equal in an atom of an element . View Solution View Solution View Solution View Solution View Solution Exams IIT JEE NEET UP Board
A. the number of protons in an atom B. the number of neutrons in an atom C. the number of electrons in an atom D. the total number of particles in an atom 相关知识点: 试题来源: 解析 A。元素的原子序数告诉我们一个原子中的质子数。原子序数等于质子数,选项 B 中子数不能由原子序数确定...
Total number of neutrons in 243 Pu has to be calculated. Concept introduction: The total number of protons in an atom is said to be its atomic number . By using the total number of protons and neutrons all the atoms can be identified. Atomic number i...
The number of protons in an atom equals the number ofelectrons. This is necessary to balance the charge of an atom, and to increase its stability... Learn more about this topic: Atom | Definition, Composition & Examples from Chapter 2/ Lesson 1 268...
4 In which atom is the number of protons equal to the number of neutrons? D A.$$ ^ { 4 0 } A r $$ B$$ ^ { 1 9 } F $$ C$$ ^ { 2 3 } N a $$ D$$ ^ { 1 6 } O $$ 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
百度试题 结果1 题目The total number of protons and neutrons in an atom is calledA.the atomic numberB.the proton numberC.the mass numberD.the neutron number 相关知识点: 试题来源: 解析 C 反馈 收藏
Often, the number of protons and electrons is not the same, so the atom carries a net positive or negative charge. You can determine the number of electrons in anionif you know its charge. A cation carries a positive charge and has more protons than electrons. An anion carries a negative...