- D-electrons: 0 (not correct) 2. Sodium (Na): - Atomic number: 11 - Electronic configuration: 1s22s22p63s1 - D-electrons: 0 (not correct) 3. Iron (Fe): - Atomic number: 26 - Neutral iron has the configuration: 1s22s22p63s23p63d64s2 - For Fe3+ (losing 3 electrons): - Co...
百度试题 结果1 题目5 Which one of the following has the same number of electrons as a sulfide ion, S2? B A Chlorine atom C Nitrate ion B Fluorine molecule D Sodium ion 相关知识点: 试题来源: 解析 B 反馈 收藏
Magic number, in physics, in the shell models of both atomic and nuclear structure, any of a series of numbers that connote stable structure. The magic numbers for atoms are 2, 10, 18, 36, 54, and 86, corresponding to the total number of electrons in fil
How many electrons are needed to form a charge of -8.30 NC? How many electrons are needed to form a charge of Q1 = 9 nC? List the quantum numbers of all of the electrons in a sodium atom in its ground state configuration. List the number of electron states in the last three...
The symbol Z is given to that atomic number, which is also the number of electrons in the atom and determines its chemical properties. Computer Exercise 2.A describes the program ELEMENTS, which helps find atomic numbers, symbols, and names of elements in the periodic table. Generally, the ...
What is the atomic number of iron? What is the atomic number of sodium chloride? What is the atomic number for platinum? What is the atomic number of rubidium? What is the atomic number of vanadium? What is the atomic number of tennessine?
17Which of the following is numerically equal to the Avogadro constant? D A number of atoms in 1 mole of hydrogen gas, H2 B number of electrons in 1 mole of helium gas, He Cnumber of ions in 1 mole of sodium chloride, NaC/D number of molecules in 1 mole of oxygen gas, O2 相关...
Oxidation State and Numbers of Na2C2O4 (Sodium Oxalate) To calculate the oxidation numbers for Na2C2O4, count the number of atoms, draw the lewis structure by adding bonds, assign electrons from each bond, and count the number of electrons assigned to each atom. Count Atoms Use the chemical ...
M. Miyajima et al., Number of photo-electrons from photomultiplier cathode coupled with NaI (Tl) scintillator, KEK (Japan) 83–36 (1983).Number of photoelectrons from photomultiplier cathode cou- pled with a NaI(Tl) scintillator," Nucl. Instrum. Methods, vol. 224, pp. 331-334, 1984....
Question 1: If the Z of sodium is 11. Find the number of electrons and the number of protons present in a sodium atom. Solution: We know that “Z = No. of Protons = No. of Electrons” Thus, the No. of electrons=11 and No. of protons =11 ...