Chromium, cobalt, and manganese are three extremely important metals. Are these metals uniformly distributed in the lithosphere? If not, what region of the Earth is the source of these metals?

Answers

Answer 1

Answer:

No.

Explanation:

No, these metals are not uniformly distributed in the lithosphere, they are present some special regions of earth. Chromium ore is found in many places including South Africa, India, Kazakhstan and Turkey. Cobalt ore deposits are present in the regions of Congo, Canada, Australia, Zambia and Brazil. China, Africa, Australia and Gabon are the regions on the earth where manganese metal is present in large quantity.


Related Questions

A double replacement reaction is a reaction in which one element replaces a similar
element within a compound. (2 points)
True
False

Answers

Answer: False

Explanation:::

Answer:

false

Explanation:

in a double reaction, the negative ions switch places. not be replaced.

Why is sublimation such a critical component for the water cycle in cold climates?

Answers

The air is so dry that when it hits a snowpack, the frozen water evaporates, going directly from the ice to vapor and bypassing the liquid phase entirely. This is called sublimation, and it's a common way for snow to disappear in the arid West."

Answer:

Sublimation is the transition in physical state from solid (ice) to vapor with no intermediate liquid stage. In other words, the ice becomes water vapor without melting. Ideal weather conditions would be low humidity (to allow vaporization), high altitude (lower air pressure facilitates the transition), and strong sunlight (to provide the energy for the transition). High snow-packed mountain ranges offer all of these conditions. Since the temperature is too cold for evaporation, sublimation is needed to provide enough water vapor to feed the water cycle and promote precipitation elsewhere on the planet. Without it, the water would stay frozen in the snow and ice and reduce the amount of liquid water that would replenish the planet.

Explanation:

plato

What are all the secrets to the universe ?

Answers

In outer space since we don’t know where to look on earth probably
the milky way we don’t know everything and we probably never will

PLEASE HELP ME I NEED IT TO BRING MY GRADE UP

Answers

Answer:

the attached file

Explanation:

The potassium is an alkali metal which explode in water to produce base and hydrogen gas.  The balancing came from the fact that each side needed the same number of hydrogens so I made the products have 4 (the lowest even number) then put the appropriate coefficients in the reactants to make that work.  Since there are two molecules of potassium hydroxide there also needed to be 2 atoms of potassium in the reactants.  

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Answers

Answer:

c

Explanation:

Can't live without me, you wanna, but you can't, no, no, no
Think it's funny, but honey, can't run this show on your own
I can feel my body shake, there's only so much I can take
I'll show you how a real queen behaves, oh

Heres a song. Please Help Me WIth This Work

Answers

Ohh okay it’s nice is it a country song or a pop song or? :)

What is atomic mass made of?

Answers

Answer:

Together, the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number.

Explanation:

A reversible reaction is said to be in equilibrium when
A)
all reactions stop leaving some reactant unused.
B)
the reaction goes to completion and no reactants are left.
9)
the rate of the backward reaction equals the rate of the forward reaction.
D)
the reaction rate of the backward reaction becomes larger than the rate of
the forward reaction.

Answers

Answer: C) the rate backward reaction equals the rate of the forward reaction.

Explanation:

Goodbye Everyone, i will not be on here for awhile because of some things that i really rather not discuss but if you ask why then i guess i'll tell you but if you wanna say goodbye to me then please do so now!
Sincerly,Arri

Answers

Answer:

Which nuclear force holds the nucleus together against the mutual repulsion of the protons in every nucleus larger than Hydrogen’s?

Explanation:

Hi Arri, this is my question, if you cannot answer that it is fine. I hope you are doing well though :) best of luck to you when you are gone. Stay safe, well wishes

Is iron rusting a chemical reaction? Explain why or why not.

Answers

Answer: Yes- Rusting is an oxidation reaction. The iron reacts with water and oxygen to form hydrated iron(III) oxide, which we see as rust. Iron and steel rust when they come into contact with water and oxygen – both are needed for rusting to occur. Rusting is an example of a chemical change. A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical property of iron is that it is capable of combining with oxygen to form iron oxide, the chemical name of rust.

Hope this helps.... Stay safe and have a Merry Christmas!!!!!!!!!!!! :D

answer correctly please for a brainlesit! I WILL AWARD U ASAP PLEASEEE

Answers

Answer:

Full moon

Explanation:

Went from cresent to half, meaning it should go to full moon next~

Question: Use the table to compare the solubilities of substances. Check all of the boxes that apply.

Answers:
Aspirin is less soluble than table salt, but more soluble than carbon dioxide.
A saturated solution of table sugar is more concentrated than a saturated solution of table salt.

Answers

Answer:

1,3

Explanation:

got it right on assignment

Answer: A, C and D

Explanation: For me it was D a well as of edge 2022. Hope this help!

H to I in the diagram indicates two layers of:

A. phospholipids
B. gated channel proteins
C. pore proteins
D. cholesterol

Answers

Answerrr issss ▼・ᴥ・▼BBB

Form a bond: Each electron has a charge of 1–, and each proton has a charge of 1+. You can calculate the charge of an atom by subtracting the number of electrons from the number of protons. Move an electron from the sodium to the chlorine atom.

1. Sodium has a charge of 1+ and chlorine has a charge of 1-

2. Chlorine has a charge of 1+ and sodium has a charge of 1-

3. Both atoms have a charge of 1+

4. Both atoms have a charge of 1-

Answers

Answer:

1. Sodium has a charge of 1+ and chlorine has a charge of 1-

Explanation:

Sodium has 11 protons and 11 electrons. If you remove one electrons we now have only 10 electrons.

Hence; number of protons - number of electrons = 11 - 10 = +1

Sodium has a charge of +1

Chlorine has 17 electrons and 17 protons. if it gains 1 electron then it now has 18 electrons.

Hence; number of protons - number of electrons = 17 - 18 = -1

Chlorine has a charge of -1

. Classify each of the organisms in Figures 2 and 3 as
herbivore, carnivore, or omnivore. Explain your
classifications.
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Answers

Answer:

Herbivore, Omnivore & Carnivore

Explanation:

Herbivore they eat grass, Omnivores eat fruits and vegetables & Carnivores eat meat or flesh so that's why herb then omni and last carni bc so omni and herbi eat like the same thing

Answer:

Herbivore, Omnivore & Carnivore

Explanation:

Which of the following elements is the least reactive metal? Sodium, Rubidium, Chlorine, and Magnesium.​

Answers

First off chlorine is not a metal so you can ignore that one.

Sodium and Rubidium are in group 1 of the periodic table and Magnesium is in group 2.

Group one metals are more reactive than group two because it is harder for the group two metals to lose their 2 valence (outer most) electrons.

As you go down group 1 there is an increase in the reactivity this is because as you go down there is an increase in the atomic radius which leads to more shielding. This weakens the electrostatic forces of attraction making it easier to lose the outermost electrons, therefore they are more reactive.

Answer:

Magnesium

Explanation:

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What is the name of an element that has a full octet?

Answers

Answer:

noble gases

The noble gases rarely form compounds. They have the most stable configuration (full octet, no charge), so they have no reason to react and change their configuration. All other elements attempt to gain, lose, or share electrons to achieve a noble gas configuration

Explanation:

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What is the redox reaction? And how does the redox reaction happen inside batteries?

Answers

Answer:

It is called a reduction-oxidation, oxide-reduction reaction, or simply as a redox reaction, any chemical reaction in which one or more electrons are transferred between the reactants

Redox battery is an example of both a Flow Battery and a two electrolyte system.In this case, it depends on two different active aqueous electrolytes of vanadium dissolved in sulfuric acid separated by a membrane at which ionic interchange takes place.

Thats my opinión though.

Señalar la opción correcta El primer alcalino y el primer gas noble tienen la misma cantidad de niveles ocupados El primer alcalinotérreo tiene 2 e en su CEE El cuarto halógeno tiene 5 electrones de valencia

Answers

Answer:

El primer gas alcalino y el primer gas noble tienen el mismo número de niveles ocupados. Cierto.

La primera tierra alcalina tiene 2 e en su CEE. Cierto.

El cuarto halógeno tiene 5 electrones de valencia. Falso.

Explicación:

El primer alcalino y el primer gas noble tienen el mismo número de niveles ocupados porque el primer alcalino tiene 1 electrón y solo tiene una capa, mientras que el gas noble tiene 2 electrones y también tiene una capa. El primer alcalinotérreo tiene 2 e en su CEE debido a la presencia en el segundo grupo en la tabla periódica. El cuarto halógeno no tiene 5 electrones de valencia en su capa más externa, tiene 7 electrones en su capa más externa debido a la presencia en el grupo de siete de la tabla periódica.

How many moles of water could you make with 0.5 mol of H2?

Answers

Answer:

0.5 mols of water

Explanation:

What is a buffer made from?

Answers

A buffer is made from an acid - base conjugate pair as shown by option A

What is a buffer?

Buffers are often composed of weak acids and their conjugate bases (or weak bases and their conjugate acids). The weak acid can contribute a proton to balance any new base, whereas the conjugate base can absorb a proton to do so.

This balance between the acid and its conjugate base allows the buffer to survive pH changes. Buffers are essential in biological systems because many biochemical processes are particularly sensitive to pH changes.

Learn more about buffer:https://brainly.com/question/31847096

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How many protons are in an atom of tin?

Answers

Answer:

50

Explanation:

there are 50 protons in an atom of tin

The arrow in a chemical equation represents the ________________ _________________

Answers

It represents the end product

In the rock cycle, the process of weathering and erosion happens between:
Sedimentary and Metamorphic
Igneous rock and metamorphic rock
Igneous rock and sediments

Answers

sedimentary and metamorphic :)


i hope this helps!!

how does atomic radius affect coulombic attraction?

Answers

Answer:

The bigger the size of the atom, the electrons, especially the valence electrons are further away from the nucleus. The nucleus is not able to pull the electrons, that are in orbitals further away from the nucleus, towards itself and the coulombic attraction decreases.

Explanation:

Which of the following atoms has the highest first
ionization energy?
a. helium
6. potassium
d. hydrogen
e. carbon

Answers

Answer:

Helium

Explanation:

The first ionization energy varies in a predictable way across the periodic table.

What would be the mass, in grams, of 1.505 x 10^23 molecules of carbon disulfide (CS2)?

Answers

To Find :

The mass, in grams, of [tex]1.505 \times 10^{23}[/tex] molecules of carbon disulfide (CS₂).

Solution :

Molecular mass of CS₂ = 76 gm/mol .

It means that mass of [tex]6.022 \times 10^{23}[/tex] molecules of CS₂ is 76 gm/mol.

Let, mass of [tex]1.505 \times 10^{23}[/tex] molecules of carbon disulfide (CS₂) is x.

So,

[tex]x= 76\times \dfrac{1.505 \times 10^{23}}{6.022\times 10^{23}}\\\\x = 76 \times \dfrac{1.505}{6.022}\\\\x = 19 \ gm[/tex]

Therefore, the mass in gram is 19 gm.

scientist have grouped the number of elements into

Answers

7 groups in the periodic table

Answer:

columns and rows on the periodic table and groups based on reactivity and such like halogens,noble gases, trans metals, alkali metals, alkaline earth metals, lanthanids, actinids, metalliods, nonmetals and metals.

Explanation:

What are two reasons that someone would want to become a scientist?
1 point
Your answer

Answers

Two reason someone would want to become a scientist to make exciting discoveries and discovered new life on our planet. Also you could solve huge problems that somebody else couldn’t solved. This is why somebody would want to be a scientist.

Balance the following equation.
___ I + ___ O2 ___ I4O10

Answers

4I+5O2=I4O10? which would be a synthesis reaction
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