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lyudmila [28]
2 years ago
9

Easy ones! giving brainly if correct. answering both questions would be nice​

Chemistry
1 answer:
natita [175]2 years ago
7 0
Question 17: answer:The solute is the drink crystals and the solvent is the water…
I wish I am correct
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The ionization potential of Be atom is more than expected because it has -
Gre4nikov [31]

Answer:

(b) fully filled valence s orbitals

Explanation:

Electron configuration of Be: 1s22s2

2s2 is fully filled

6 0
2 years ago
Read 2 more answers
The chemical force for which of the following ions is directed into the cell? The chemical force for which of the following ions
Over [174]

Answer:

Both sodium and calcium.

Explanation:

The membrane potential is maintained inside and outside of the cell due to the unequal distribution of the different ions. This membrane potential difference is important for the generation of action potential.

The resting membrane potential is around +30 mV. This is due to the presence of potassium ions. The sodium and calcium ions must enter in the cell to change this membrane potential and generates the action potential in the body.

Thus, the correct answer is option (3).

5 0
3 years ago
How does bond order correspond to phase? Use the drawing of MO energy diagram to predict the bond order of [Be2]+ and [Be2]−. De
erik [133]
Be2 - 1/2 is equal to be 3 over 3.4
7 0
3 years ago
What is 256ml to liters
Fed [463]
That would be 0.26 liters

Hope it help!

~Mqddie
6 0
3 years ago
Read 2 more answers
Atoms of elements at the top of a group on the periodic table are smaller than the atoms of elements at the bottom of the group.
boyakko [2]

Answer:

Explanation:

As we move down the group atomic radii increased with increase of atomic number. The addition of electron in next level cause the atomic radii to increased. The hold of nucleus on valance shell become weaker because of shielding of electrons thus size of atom increased.

As the size of atom increases the ionization energy from top to bottom also  decreases because it becomes easier to remove the electron because of less nuclear attraction and as more electrons are added the outer electrons becomes more shielded and away from nucleus.  

On left side of periodic table atoms of metals are more reactive by loosing the electrons or we can say metals are more reactive by loosing the electrons so their reactivity increase down the group because of easily  removal of electrons.

On right side of periodic table atoms of nonmetals are more reactive by gaining the electrons. As we move down the group nuclear attraction becomes smaller because of shielding thus electron are less attracted by nucleus and reactivity decreases.

7 0
3 years ago
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