What would be the number of elements in the fourth row of the periodic table?
I count 18 from K on the left to Kr on the right.
27
To find the number of elements in the fourth row of the periodic table, we need to know the layout and organization of the periodic table. Here's how you can find the answer:
1. Open a search engine or go to any reliable source that provides information about the periodic table.
2. Look for an image or a description of the periodic table.
3. Find the fourth row in the table. The rows are typically called "periods," and they are numbered from 1 to 7.
4. Count the number of elements in the fourth row, starting from the leftmost element and moving towards the right.
The answer may vary depending on the specific version of the periodic table you are looking at. However, as of the most commonly used version (the long-form periodic table), the fourth row has 18 elements.