Answer:
I HOPE THIS ANSWER HELPS-
Answer:
Explanation:
The atomic number tells you how many protons are in an element. Each element has a different number of protons, so a specific number of protons will also help you easily identify that particular element. For example, if you are given that an element has an atomic number of 1, you would know the element is hydrogen because other elements have different amounts of protons and thus different atomic numbers.
Explanation:
Some examples of colorful light emissions are street lights, neon signs and, of course, fireworks. Neon signs emit light when an electric current passes through the neon gas.
Answer:
23.22 g
Explanation:
Mass in 1 mol of water = 18g
Mass in 1.29 mol of water
= 18 x 1.29
= 23.22 g
9.9%
|Approximate Value − Exact Value| divided by
|Exact Value| X 100
