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2 years ago

8

Where are non-metals located on the periodic table on the right of the periodic table after the staircase where would you find t

he most metallic element at the bottom left of the periodic table?

1 answer:

djyliett [7]2 years ago

3 0

Did you mean why? not where?

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When helium was discovered by humans?

saul85 [17]

Helium was discovered in 1868.

8 0

2 years ago

Which of the following describes redox in displacement plating?

ICE Princess25 [194]

It is in an incorrect spot i think

4 0

2 years ago

Which of the following phase changes only occurs in solids possessing vapor pressures above atmospheric pressure and at ambient

GuDViN [60]

<u>Answer:</u> The phase change process in which solids gets converted to gases is sublimation.

<u>Explanation:</u>

For the given options:

<u>Option a:</u> Condensation

It is a type of process in which phase change occurs from gaseous state to liquid state at constant temperature.

$Gas\rightleftharpoons Liquid$

<u>Option b:</u> Melting

It is a type of process in which phase change occurs from solid state to liquid state at constant temperature.

$Solid\rightleftharpoons Liquid$

<u>Option c:</u> Sublimation

It is a type of process in which phase change occurs from solid state to gaseous state without passing through the liquid state at constant temperature.

$Solid\rightleftharpoons Gas$

<u>Option d:</u> Deposition

It is a type of process in which phase change occurs from gaseous state to solid state without passing through the liquid state at constant temperature.

$Gas\rightleftharpoons Solid$

Hence, the phase change process in which solids gets converted to gases is sublimation.

4 0

2 years ago

After 4 half-lives 10 grams of uranium remains. How much uranium did you start with?

Free_Kalibri [48]

Answer:

i think 40 grams

Explanation:

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2 years ago

Woodpeckers find insects to eat by pecking holes in trees with their beaks. One day, a woodpecker finds a particular tree that o

bixtya [17]

Answer:

1. Reflex Conditioning

Explanation:

Conditioning is an aspect of learning where a stimulus works effectively in producing a response from an organism. This response becomes regular given the type of reinforcement that is administered to the organism. The reinforcement is usually a reward that is given to the organism.

This is what is observed in the woodpecker. The stimulus or reinforcement which proves effective in producing a continuous response from the woodpecker is the abundant supply of the birds favorite bugs. This reinforcement makes it possible for the woodpecker to become conditioned towards returning to the tree.

4 0

2 years ago