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KIM [24]
3 years ago
13

What might happen to cause scientists to change the model of the atom?

Chemistry
2 answers:
TEA [102]3 years ago
3 0

Answer:

Hi nisha is a good time for a good time to come

I am Real hearted and I am very excited about this opportunity and I am very excited about this place and I am very excited about this opportunity and I am very excited about this opportunity and I am very excited about this opportunity and I am very excited about this

PtichkaEL [24]3 years ago
3 0

Answer:

Discovery of a new element, or even a new electron sequence

Explanation:

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The invisible force that surrounds a magnet is called the ________
Sladkaya [172]
Magnetic field
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8 0
3 years ago
Describe hydrogen's atomic structure and its molecular structure.
Kryger [21]

Explanation:

A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force. Atomic hydrogen constitutes about 75% of the baryonic mass of the universe.

Names: hydrogen atom, H-1, protium, ¹H

Protons: 1

Neutrons: 0

Symbol: 1H

6 0
3 years ago
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Who discovered copper and in what year?
Vesnalui [34]
8,700 B.C.
 No clue who discovered it.
4 0
3 years ago
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Combustion reactions are a notable source of carbon dioxide in the environment. Using the following balanced equation, how many
iris [78.8K]

Answer:

Explanation:

Number of moles of propane:

=Mass in grams ÷ Relative molecular Mass

= 100/((12*3) + (1*8))

= 100 ÷ 44

= 2.2727

Mole ratio propane:carbon (IV) oxide = 1:3(from the equation)

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Mass in grams = Relative molecular Mass * Number of moles

= 44 * 6.8181

= 299.9964 grams

8 0
3 years ago
If a substance has a high hydronium concentration, the substance has a ____ pH.
aalyn [17]

Answer: low pH

Hydronium is H^+ and acids give hydronium ions to water solution.

PH = -log H^+ concentration. The higher the concentration, the lower pH value

4 0
3 years ago
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