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timofeeve [1]
3 years ago
14

Based on the current atomic theory most chemical reaction take place as a result of the interactions of which sub- atomic partic

les
Chemistry
1 answer:
icang [17]3 years ago
6 0
Electrons, everything is pretty much based around the likeliness of electrons to be swapped or shared between atoms
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Please help i need help with this (if you can’t see the last one it says thermal)
LUCKY_DIMON [66]

Answer:

it would have sound a

thermal .why a train needs coal and coal get burned by heat that is thermal energy and sound beacuse a train makes sound by moving

Explanation:

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3 years ago
The wave mechanical model of the atom is required to explain the
dlinn [17]

The wave-mechanical model of the atom is required to explain the spectra of elements with multi electron atoms.

<u>Explanation:</u>

Wave mechanical theory say that every electron surrounding a nucleus occupies a certain orbit and moves in a certain direction, but the orbit is like a wave of energy or cloud but not a ring. It was proposed in the 1920s, when scientists Erwin Schrodinger and Louis Victor de Broglie concluded that the Bohr’s model is not suitable for electron location determination.

Based on many assumptions, scientists began to guess as accurately as possible about the behaviour of electrons at different energy levels around the nucleus. Because all electrons are negatively charged, they tend to push their elbows when they are too close together, moving away and changing direction. Each plane has one or more orbits that have more than one electrons that move around the nucleus in a specific patterns or shape.

7 0
3 years ago
Energy produced by the sun and stars comes from
Delicious77 [7]

Answer:

It's heat energy

Explanation:

which is transmitted through radiation.  The sun warms us.

4 0
2 years ago
Students in Ms. Winters' class were interested in testing the antibacterial strength of hand soap versus hand sanitizer. The stu
KatRina [158]
My answer is a please tell me if I helped
3 0
3 years ago
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If an athlete runs at a speed of 12.9 km/hour, how long will it take the athlete to run a marathon (about 42.2 km)? Express your
jekas [21]

Answer:

Time = 3.27s

Explanation:

Time = Distance / Speed

Time = 42.2 / 12.9 = 3.2713

When you multiply the number of significant figures in the result is the same as the number with the least significant figures.

In this case 42.2 has 3 significant figures and 12.9 also has 3 significant figures, therefore the answer must have 3 significant figures too.

Time = 3.27 s

7 0
3 years ago
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