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3 years ago

How will the number of neutrons in an atom impact its stability?

1 answer:

6 0

Neutrons emit residual strong force without electric charge. This is why they have a stabilization effect. It is an interplay between the two particles which stabilize the nucleus. so the neutrons play a big role in the stability process.

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What is the best way to learn radicals ?

Levart [38]

Answer:

To make this work, you'll either need to: Learn the names of all the radicals first, before you even look at any kanji. This method feels slow at first, but overall it's probably going to take a similar amount of time compared to any other method.

3 0

2 years ago

Read 2 more answers

Weighted averages, help please

yarga [219]

Answer:

Average atomic mass of Cl = 35.48 amu

Average atomic mass of B = 10.8 amu

Average atomic mass of Ag = 107.96 amu

Explanation:

Given data:

Abundance of Cl-35 = 75.8%

Abundance of Cl-37 = 24.2%

Average atomic mass = ?

Solution:

Average atomic mass = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass) / 100

Average atomic mass = (75.8×35)+(24.2×37) /100

Average atomic mass = 2653 + 895.4 / 100

Average atomic mass = 3548.4 / 100

Average atomic mass = 35.48 amu

Given data:

Abundance of B-10 = 19.8%

Abundance of B-11 = 80.2%

Average atomic mass = ?

Solution:

Average atomic mass = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass) / 100

Average atomic mass = (19.8×10)+(80.2×11) /100

Average atomic mass = 198 +882.2 / 100

Average atomic mass = 1080.2 / 100

Average atomic mass = 10.8 amu

Given data:

Abundance of Ag-107 = 52%

Abundance of Ag-109 = 48%

Average atomic mass = ?

Solution:

Average atomic mass = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass) / 100

Average atomic mass = (52×107)+(48×109) /100

Average atomic mass = 5564 +5232 / 100

Average atomic mass = 10796 / 100

Average atomic mass = 107.96 amu

4 0

3 years ago

What is an ionic compound? How is electrical neutrality maintained in an ionic compound?

Alenkinab [10]

Answer: When oppositely charged species interact.

Explanation:

Ionic compound is defined as the compound which is formed by the complete transfer of electrons from one element to another element.

In these compounds, oppositely charged ions are attracted towards each other to form a compound.

For Example: NaCl is formed by the attraction of $Na^+\text{ and }Cl^-$ ions. So, same number of oppositely charges maintain electrical neutrality.

Electrical neutrality in a compound is achieved when atoms forming a compound have same number of opposite charges. Basically the charges on cation is balanced by the charges on anion.

7 0

3 years ago

The difference between diffusion and osmosis is that osmosis deals only with ________.

Nat2105 [25]

Osmosis deals only with D. Water. Diffusion and Osmosis are relatively the same thing besides the fact that water is largely incorporated with the osmosis.

6 0

3 years ago

Tell whether the statement is TRUE or FALSE. Air pressure is gravity pulling down on air molecules.

nirvana33 [79]

True
Pressure is the force per unit area on an object. The force in the case of air pressure is the weight of the air molecules; therefore, the air pressure is essentially due to gravity pulling down air molecules.

8 0

2 years ago