Element Au:
What is it's name?
What is its atomic number?
What is its atomic mass?
How many protons does it have?
How many electrons does a neutral Au atom have?
How many neutrons does it have?
The element Au is commonly known as gold.
Its atomic number is 79.
Its atomic mass is approximately 196.97 amu (atomic mass units).
A neutral Au atom has 79 protons.
A neutral Au atom also has 79 electrons.
The number of neutrons in an Au atom can vary because different isotopes of gold exist. The most stable isotope of gold is Au-197, which has 118 neutrons.
Element Au is commonly known as gold.
Its atomic number is 79.
The atomic mass of gold is approximately 196.97 atomic mass units (g/mol).
Gold atoms have 79 protons.
A neutral gold atom also has 79 electrons.
The number of neutrons in a gold atom can vary as it can have different isotopes. The most common isotope of gold (Au-197) has 118 neutrons.
To answer your questions about the element Au:
1. What is its name?
Au is the chemical symbol for gold. "Au" is derived from the Latin word "aurum," which means "shining dawn."
2. What is its atomic number?
The atomic number of gold is 79. The atomic number represents the number of protons in an atom's nucleus.
3. What is its atomic mass?
The atomic mass of gold is approximately 196.97 atomic mass units (amu). The atomic mass represents the average mass of all the isotopes of an element.
4. How many protons does it have?
As mentioned earlier, gold has an atomic number of 79. This means that an atom of gold contains 79 protons in its nucleus.
5. How many electrons does a neutral Au atom have?
In a neutral atom, the number of electrons is equal to the number of protons. Therefore, a neutral atom of gold would also have 79 electrons.
6. How many neutrons does it have?
To find the number of neutrons, you subtract the atomic number from the atomic mass. In this case, since the atomic number of gold is 79 and the atomic mass is approximately 196.97 amu, subtracting the atomic number from the atomic mass gives us 117.97. Therefore, gold has approximately 118 neutrons.