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DerKrebs [107]
3 years ago
9

What can crystalize size tell us about where an igneous rock formed?

Chemistry
1 answer:
Mila [183]3 years ago
4 0

Answer:

Crystalization is solidfying of atoms or molecules or things,,it can be speeded up depends on nature of something in terms of it's molecular force of attraction eg sand and loam soil also temperature and pressure above the sure to be crystalized

An igneus rock is formed where magma(molten rock) cool and solify(crystalized especially in volcanoes areas

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14.Which of the following exhibit maximum paramagnetic behaviour – Fe3+ or
Naddik [55]

Answer:

Fe^3+

Explanation:

The electron configuration for Fe^3+ is; 1s2 2s2 2p6 3s2 3p6 3d5

The electron configuration for Ni^2+ is; 1s2 2s2 2p6 3s2 3p6 3d8

Now it is pertinent to recall that the 3d sublevel has a maximum occupancy of ten electrons. These ten electrons occupy a set of five degenerate orbitals. Having said that, it is clear that Ni^2+ ion will have two unpaired electrons while Fe^3+ will have five unpaired electrons.

Let us also not forget that paramagnetism has to do with the presence of unpaired electrons. That means that maximum paramagnetism refers to the presence of maximum number of unpaired electrons.

Since Fe^3+ has the greatest number of unpaired electrons among the duo, Fe^3+ will exhibit a maximum paramagnetic behavior.

5 0
3 years ago
Choose all the answers that apply.
vodka [1.7K]

Answer:

9 protons

Explanation:

By looking at the periodic table, you will see that Fluorine has 9 protons. Since the number of electrons equal the number of protons, Fluorine has 9 electrons as well. Meanwhile, it's mass number of 19, minus 10 neutrons, gives you 9 protons or electrons. Hence, the atom would be Fluorine.

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4 0
3 years ago
Read 2 more answers
The cereal you ate for breakfast was most like grown in a _____.
olganol [36]

Answer:

it is grown in grassland.

3 0
3 years ago
Read 2 more answers
Which statement explains why a molecule of CH4 is nonpolar?
Deffense [45]
The answer is the option (3) The geometric shape of a CH4 molecule distributes the charges geometrically. the CH4 is a tetrahedral with the Carbon atom in the center and the four H atoms in the vertices of the tetrahedral. The C-H bond angles are all identical which makes the molecule perfectly symmetrical and so any dipolar moment will cancel making the molecule non polar.
8 0
3 years ago
Read 2 more answers
Select the correct answer. If the EMF produced in a wire is 0.88 volts and the wire moves perpendicular to a magnetic field of s
serious [3.7K]

<u>Given:</u>

EMF = 0.88 V

Strength of magnetic field, B = 0.075 N/A-m

Velocity, v = 4.20 m/s

<u>To determine:</u>

The length of wire, L

<u>Explanation:</u>

The EMF is related to strength of the magnetic field B as:

EMF = L*B*v

L = EMF/B*v = 0.88/0.075*4.20 = 2.79 m

Ans: The length of the wire is around 2.8 m


3 0
3 years ago
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