What is the job of an environmental engineer?
1 answer:
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Answer:
Here's what I've found
Explanation:
Refer to the attachment !
Answer:
ATOMIC number of element A is 3
Explanation:
Atomic number is the same as number of protons of an element.
according to the periodic table, Lithium is the element with 3 protons in its neutral state and it's atomic number is 3.
