Atomic Number Chemistry Example 3
Follow the full solution, then compare it with the other examples linked below.
Example 3
easyWhat is the atomic number of an element with 29 protons? Name the element.
Solution
- 1 Atomic number number of protons .
- 2 Looking at the periodic table, element 29 is copper (Cu).
Answer
Each element has a unique atomic number that equals its proton count.
About Atomic Number
The number of protons in an atom's nucleus, which uniquely identifies the element and determines its position in the periodic table.
Learn more about Atomic Number →More Atomic Number Examples
Example 1 easy
Element X has 15 protons. Identify the element and determine the number of electrons in a neutral at
Example 2 mediumTwo atoms both have a mass number of 40. Atom A has 20 protons and Atom B has 19 protons. Are they t
Example 4 easyAn atom has atomic number 15. How many protons does it have? If the atom is neutral, how many electr