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ivann1987 [24]
3 years ago
14

Transition metal elements are in the "d block" on the periodic table, because the electron configuration of every transition met

al ends with electrons in "d" atomic orbitals. True False
Chemistry
2 answers:
goblinko [34]3 years ago
4 0
TRUE :) ;D;D;D;D;D ;J

MAVERICK [17]3 years ago
4 0

Answer:  TRUE

Explanation:  Transition elements are those which have electrons in the d orbitals in their outermost valence shell. They are also known as d block elements.

Thus Copper, Iron, Nickel etc are d block elements because their electrons are in the d orbital as shown-

Copper (Cu) = [Ar] 3d10 4s1

Iron (Fe) = [Ar] 3d6 4s2

Nickel (Ni) = [Ar] 3d8 4s2

Thus as shown in the electronic configuration above, the given stateent is true.

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Which property of manganese dioxide helps it turn hydrogen peroxide into water faster than it would without it?
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B is the correct answer.

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3 years ago
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According to the graph, if you are in a biome where the annual precipitation is about 300 cm and the average temperature is arou
alina1380 [7]

Answer:

We are in Tropical Rainforests.

Explanation:

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There are total 8 biomes in the world

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Now in our question, we have been given some conditions and are asked to identify the biome. The annual precipitation is about 300 cm and the average temperature is around 25 degrees Celsius.

Now, if we study the characteristics of all these biomes, it is very simple to identify that the biome is Tropical Rainforest.

Important characteristics of Tropical Rainforest:

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  • Around 50 percent of the animal specie of the world are found here.

<em>Note: </em><em>You can study the characteristics of world’s other biomes in the link : http://www.physicalgeography.net/fundamentals/9k.html </em>


Hope it helps!  :)


8 0
2 years ago
Use the drop-down menus to name these structures<br> F<br> FICH<br> H
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Answer:

What Structures??

Explanation:

Can you please explain the question more

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2 years ago
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