Table of Contents
What is the atomic number of oxygen?
8
Oxygen/Atomic number
What is the atomic number of sodium?
11
Sodium/Atomic number
Is sodium atomic number 11?
We know that the atomic number of sodium is 11. This tells us that sodium has 11 protons and because it is neutral it has 11 electrons. Sodium has a mass number of 23amu. Since sodium has 11 protons, the number of neutrons must be 23 – 11 = 12 neutrons.
What is the atomic number of CL?
17
Chlorine/Atomic number
What is the 12th element?
Magnesium is a chemical element with symbol Mg and atomic number 12.
What is the atomic number of rubidium?
37
Rubidium/Atomic number
What is the atomic number of Cl 1?
Chlorine is a chemical element with symbol Cl and atomic number 17.
What is the 13th element?
Gallium is found in the earth with an abundance of 13 ppm….Characteristics.
| Z | Element | No. of electrons per shell |
|---|---|---|
| 13 | aluminium | 2, 8, 3 |
| 31 | gallium | 2, 8, 18, 3 |
| 49 | indium | 2, 8, 18, 18, 3 |
| 81 | thallium | 2, 8, 18, 32, 18, 3 |
What is the atomic number of sodium in Na?
Atomic Number of Sodium is 11. Chemical symbol for Sodium is Na. Number of protons in Sodium is 11. Atomic weight of Sodium is 22.98976928 u or g/mol. Melting point of Sodium is 97,8 °C and its the boiling point is 892 °C. About Sodium. Sodium is one of the oldest known chemical elements since it is essential for human life.
What are the properties of sodium element?
Properties of Sodium Element Atomic Number (Z) 11 Atomic Symbol Na Group 1 Period 3 Atomic Weight 22.98976928 u
How many protons and electrons does oxygen have?
Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. The chemical symbol for Oxygen is O. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
What is the chemical symbol for oxygen?
The chemical symbol for Oxygen is O. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.