Memorizing all the atomic masses for each element in order can be challenging, but there are a few strategies that can help make it easier:
Grouping elements: Elements in the periodic table are often grouped based on similar properties or location. You can try to memorize the atomic masses of elements within each group or period. For example, memorize the atomic masses of the alkali metals (Group 1), the halogens (Group 17), or the transition metals.
Patterns and trends: Recognize patterns and trends in atomic masses as you study the periodic table. For example, within a group, the atomic masses generally increase as you move down the periodic table. Similarly, within a period, the atomic masses generally increase from left to right.
Memorize key elements: Focus on memorizing the atomic masses of key elements that are commonly encountered or frequently referenced. This includes elements such as hydrogen (1.008), carbon (12.011), oxygen (15.999), nitrogen (14.007), and so on.
Mnemonics and associations: Create mnemonics or associations to help remember atomic masses. This could involve creating a memorable phrase or sentence where the number or pattern of the words corresponds to the atomic masses of specific elements.
Remember that you don't necessarily need to memorize all the atomic masses perfectly. You can always refer to a periodic table or use online resources as a quick reference when needed. Over time, with practice and exposure, you may naturally start to remember the atomic masses of commonly encountered elements.