Answer:
At the top of Group 11 above silver and gold.
Period 4
Explanation:
The correct answer is 42. I know this answer is right because i have already turned my assignment in and got it right.
There are two scales, one is a Ritcher scale and another one is called a Mercalli scale.
Answer:
Umm i dont know but i think atomic nucleus
Explanation:
Answer:
the atomic number is 11 and element is Sodium (Na)
Explanation:
Number of Protons = Number of Electrons = 11
Number of Neutrons = 13
Here, the Number of Protons and Number of Electrons is 11
So,
the atomic number is <em><u>11</u></em> and element is <em><u>Sodium </u></em><em><u>(</u></em><em><u>Na) </u></em>