Answer:
A. Atoms gain, lose, or share electrons to achieve a full valence shell
Explanation:
The octet rule is best explained as the process in which atoms lose or gain or share electrons to achieve a full valence shell.
- In this process bonds are formed when there is an attraction between the two substances.
- For electrovalent compounds, an atom will lose electrons or gain electron to form an ion, the electrostatic attraction causes the bond formation.
- Covalent compounds, form by sharing of electrons.
Therefore, the octet rule is attained when atoms gain full valence configuration.
Hai
<span> What is the mass of sodium in 50 grams of salt?
</span>
2000mg
Answer: D. It is a base because it increases the concentration of hydroxide ions.
Explanation: A base is a substance which dissociates to give hydroxide ions in water.
An acid is a substance which dissociates to give hydrogen ions in water.
So 
is a base as it gives 
ions when dissolved in water.
Answer:
To find volume you can either look at the displacement of the water or Length•Width•Height
Explanation:
11) 12
12) 340 mL
13) 196 m\
