A period on the periodic table is a horizontal row. The atoms in this row show a trend in their width, and in the amount of work needed to make them an ion, among the fe â¦ w other similarities.
The x-axis and y-axis Remembered! The x-axis and y-axis are two lines that create the coordinate plane. The x-axis is a horizontal line and the y-axis is a vertical line. I'm sure you've heard that a million times, but it might hard for you to remember which one is which. Here is a little trick to help you remember...
typically the y axis has numbers for the amount of stuff being measured the y axis usually starts counting at 0 and can be divided into as many equal parts as you want to in this line graph the y axis is measuring the amount of money spent on individual students for public education the most important part of your graph is the information or data it contains line graphs can present more than one group of data at a time in this graph two sets of data are presented in line graphs like the one above the x axis runs horizontally flat