What are Valence Electrons?

Answers

Answer 1

Answer: Valence electrons are the electrons that are in an atom's outermost layer.
Every atom is made of protons, neutrons, and electrons.
Electrons are outside them both.
They have energy levels (number of electrons per layer)
And the number they have on the farthest layer are the valence electrons.

Answer 2

Answer: Valence Electrons are electrons in the outermost lay. They are also involved in the bonding of adjacent atoms.

Hope I helped (:

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What kind of mistake has a scientist made if he accidentally spills a chemical that causes invalid conclusions? Is it a honest mistake or a biased mistake

Answers

honest mistake because he accidentally spilled it

What are the five senses of the human body?

Answers

Sight, Smell, Taste, Hearing, Touch

sight
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taste
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A layer of sediment goes through a series of steps on its way to becoming sedimentary rock

Answers

What is the question here?

Answer:

1) The sediment is gradually buried and compacted.

2) The sediment is deposited by wind, flowing water, or other natural processes.

3) Dissolved minerals completely cement the sediment together.

Explanation:

In terms of entropy and energy, systems in nature tend to undergo changes toward(1 ) lower entropy and lower energy

(2) lower entropy and higher energy

(3) higher entropy and lower energy

(4) higher entropy and higher energy

Answers

number 2 lower entropy and higher entropy

A sample of a substance has these characteristics:• melting point or 9811 K
• hard. brittle solid at room temperature
• poor conductor of heat and electricity as a solid
• good conductor of electricity as a liquid or in an aqueous solution
This sample is classified as
(1) a metallic element
(2) a radioactive element
(3) a molecular compound
(4) an ionic compound

Answers

Those characteristic belong to an ionic compountd. Ionic compounds have strong bonds between their atoms (ionic bond is the strongest molecular bond) which conferes this kind of compounds high melting point, wich 9811 K is. Ionic compounds do not transmit current, because they do not have free electrons, like metals do, then they are poor conductors as solid. Ionic compounds dissolve in water into ions which are charges that can move, becoming then good conductors. The structure of ionic compound is a net of cristals which make them hard and brittle. Then, the answer i s option (4) an ionic compound.

Answer:

an ionic compound

Explanation:

Which of the following is true for a reliable scientific source

Answers

Answer:

As the options for the question not given, lets try to answer this question generally.

Explanation:

A reliable source can be described as an authentic source which proves or declines an action, research etc.

The most reliable source for scientific information is scientific papers. This is because scientific papers are subjected to peer- review and hence been tested and validated. A peer-review can be described as a judgement or test made by a person on other peoples research, both of the people having equal caliber.

Answer:

It cites valid data because a reliable scientific source needs data to back up what they’re proving.

Explanation:

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