Answer:
decreases
Explanation:
the more conc of H ions increases the more it becomes acidic so the pH goes down
Answer:
is tht wht u want
Explanation:
1 grams Sodium is equal to 0.043497607849056 mole.
Answer:
When objects from space (meteoroids, space shuttles) enter the atmosphere, they start heating up in the mesosphere.
Explanation:
The amount left after 20 years = 154.15 mg
<h3>Further explanation
</h3>
The atomic nucleus can experience decay into 2 particles or more due to the instability of its atomic nucleus.
Usually radioactive elements have an unstable atomic nucleus.
The main particles are emitted by radioactive elements so that they generally decay are alpha (α), beta (β) and gamma (γ) particles
The decay formula for isotope :

Then for t=20 years, the amount left :

Answer:
Lithium has 3 protons, 4 neutrons, 3 electrons, and its mass is 6.941 u