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STALIN [3.7K]
3 years ago
8

What is the standard atomic notation for an atom that has an atomic number of 4 and has 5 neutrons

Chemistry
1 answer:
Dahasolnce [82]3 years ago
5 0
I think it would be like 21
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Some fertilizer blends contain magnesium nitrate (MgNO3). Suppose that a chemist has 1.24 liters of a 2.13 M solution of magnesi
tamaranim1 [39]

Initial concentration of magnesium nitrate M1 = 2.13 M

Initial volume of magnesium nitrate, MgNO3  V1 = 1.24 L

Final concentration of MgNO3, M2 = 1.60 M

Let the final volume of MgNO3 upon dilution be V2

Formula to use:

M1*V1 = M2*V2

V2 = M1*V1/M2

      = 2.13 M * 1.24 L/1.60 M = 1.65 L

Thus, the final volume of magnesium nitrate solution upon dilution is 1.65 L

7 0
3 years ago
Read 2 more answers
What’s the relationship between temperature and motion
kifflom [539]

The relationship between the two is that the higher the molecular motion is, the higher the temperature is.

7 0
4 years ago
Which of the following equations represents photosynthesis?
iren2701 [21]
The equation that represents photosynthesis is ,

6CO_2 + 6 H_2O —> C_6H_12O_6 + 6 O_2

The correct option is (c).
——————————
What is photosynthesis?

•This is process performed by green plants to prepare its food using sunlight and carbon dioxide.

•Oxygen and Glucose are the products obtained after photosynthesis.

•This process takes place in chlorophyll of a cell(in chloroplasts)

•These are of two types , light dependent reactions and light independent reactions

•This is was first discovered by Jan Ingenhouse.
4 0
1 year ago
3. Describe how the energy differences between the higher energy levels of an atom compare to the energy differences between the
Usimov [2.4K]

Answer:

H

Explanation:

4 0
3 years ago
Which one of the following should have the lowest boiling point? HCl PH3 H2S C2H6 C3H7OH
maria [59]

Answer:

C_2H_6

Explanation:

The boiling point depends on the intermolecular forces between the molecules of the compound.

HCl,\ H_2S\ and\ PH_3 have dipole- dipole interactions because there is the difference in electronegativity values of the atoms in the molecules.

C_3H_7OH posses hydrogen bonding.

C_2H_6 : The bond in the molecule is C-H, which is non-polar in nature because the carbon and the hydrogen having very similar electronegativity values.

The intermolecular force acting in the molecule are induced the dipole-dipole forces or London Dispersion forces / van der Waals forces which are the weakest intermolecular force.

Hence, it has the weakest bond, so it takes least amount of the energy and hence the lowest boiling point.

3 0
4 years ago
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