Answer:
the element he has discovered is called Selenium.
Explanation:
Selenium has an atomic number of 34
Answer:
The Answer is B. Destructive Interference
Explanation:
<span>Metals tend to lose electrons and form electro-positive ions / cations.</span>
After dipping the litmus paper strips in the solutions, the answer to the question is that one is acidic because according to brad's observation on turned red and the others are basic or alkaline with the two papers turning blue.