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Sonbull [250]
3 years ago
11

N

Chemistry
2 answers:
bazaltina [42]3 years ago
5 0

Answer:

electron - proton

Explanation:

fsger

blsea [12.9K]3 years ago
3 0

Answer:

A. Electron clouds with a total of seven electrons

Explanation:

A neutral atom of nitrogen must have a total number of 7 electrons in its cloud.

This is the required number of electrons to bring nitrogen into its state of neutrality.

  • To maintain neutrality the number of protons and electrons in an atom must be equal.
  • A charge atom called an ion have either the proton or electron greater.
  • Neutrality is attained when the number of protons and electrons are the same.
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Explain how energy causes changes to earths surface
dlinn [17]

Answer:

Explanation:

The absorbed sunlight drives photosynthesis, fuels evaporation, melts snow and ice, and warms the Earth system. Solar power drives Earth's climate. Energy from the Sun heats the surface, warms the atmosphere, and powers the ocean currents.

7 0
2 years ago
How many moles are there in 78.3g of CO2?
oksano4ka [1.4K]
The molar mass of CO2 can be calculated as follows;
CO2 — 12 + (16x2) = 12+ 32 = 44 g
Therefore molar mass of CO2 is 44 g/mol
In 44 g of CO2 there’s 1 mol of CO2
Then 1 g of CO2 there’s 1/44 mol of CO2
Therefore in 78.3 g of CO2 there’s — 1/44 x 78.3 =1.78 mol of CO2
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3 years ago
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Butoxors [25]

Answer:

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3 0
2 years ago
What are valence electrons and how do they affect the properties of an atom?
vlada-n [284]

The term "valence electrons" refers to all of the electrons in an atom's outermost shell.

The centre of the atom is where the nucleus is. The nucleus contains protons and neutrons. The electrons travel in a specific circular direction and at a specific distance from the nucleus.

The atom's final shell's electrons take part in chemical reactions and the production of bonds. Both ionic and covalent bonding involve valence electrons. Metals are elements with one, two, or three electrons in their final shell.

These substances become positive ions after losing their electrons. Non-metals are substances with 5, 6, or 7 electrons in the outermost shell. These substances all gain electrons and change into negative ions.

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brainly.com/question/371590

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Into what protein structure is spider silk found?
snow_tiger [21]

Answer:

Into what protein structure is spider silk found?

= Primary structure

I HOPE IT HELP YOU

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1 year ago
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