Mass number is the total number of protons and neutrons in the nucleus
Answer:
90.46 well that's how I got the answer from my calculations
Answer:
2 hydrogen atom, 1 sulfer atom, and 4 oxygen atoms.
Answer:
The elements are arranged in seven horizontal rows, called periods or series, and 18 vertical columns, called groups.
Explanation:
image created by sending electromagnetic radiation through body parts, solid parts appear white
<span>
</span>
