Acidic solutions turn litmus paper red.
"4 d 10th time, guys! I'm not talking about a political party but the 46th element! Palladium!" :) Maybe? That's a hard one to do. Couldnt you do mercury? I have a wonderful joke for that one.
Why coudnt mercury hold still in class?
A. Because it was 80Hg! (get it? Say it vocally :) Sounds like ADHD right?)
Answer:
Empirical formula is C₃H₄O
Explanation:
Empirical formula:
It is the simplest formula gives the ratio of atoms of different elements in small whole number
.
Given data:
Percentage of hydrogen = 7.14%
Percentage of carbon = 64.3%
Percentage of oxygen = 28.6%
Empirical formula = ?
Solution:
Number of gram atoms of H = 7.14 / 1.01 = 7.1
Number of gram atoms of O = 28.6 / 16 = 1.8
Number of gram atoms of C = 64.3 / 12 = 5.4
Atomic ratio:
C : H : O
5.4/1.8 : 7.1/1.8 : 1.8/1.8
3 : 4 : 1
C : H : O = 3 : 4 : 1
Empirical formula is C₃H₄O.
If you are asking for the electron configuration of Ne, then the naswer is 2-8.
Scientific knowledge is constantly being refined and changed as scientists perform studies using the scientific method. New discoveries such as the recent discovoery of water on Mars, cause scientists to re-evaluate their previously held theories.