Химия Примеры

Step 1
Find the element on the periodic table.
29Atomic Number
CuElement Symbol
CopperElement Name
63.55Average Atomic Mass
Step 2
To find the number of protons in , first locate the element on the periodic table. Next, find the atomic number which is located above the element's symbol. Since 's atomic number is , has protons.
protons
Введите СВОЮ задачу
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