Answer:
Atoms of matter are electrically neutral because their nuclei contain the same number of protons as there are electrons surrounding the nuclei. Electric current and charged objects involve the separation of some of the negative charge of neutral atoms.
A) Exosphere
This is the outermost layer of the atmosphere
Answer:
for 1 Litre(1000 ml) of 1x TBE
10.8 g Tris
5.5 g Boric acid
4 ml 0.5 M EDTA (pH 8.0)
900 ml distilled water
Adjust volume to 1 Liter.
<u>so for 250 ml divide everything by 4</u>
2.7 g Tris
1.37 g Boric acid
1 ml 0.5 M EDTA (pH 8.0)
225 ml distilled water
Adjust volume to 250 Ml
Answer:
Water has a pH of 7 - its not acid or base (its neutral {in the middle})
Explanation:
Since the pH scale maximum number is 14, the middle number - is 7 - which is where water is
