The term 'electron cloud' describes the Bohr model's location of electrons.
TRUE
FALSE

Answers

Answer 1
Answer: TRUE.

In 1922 Niels Bohr proposed an atomic structure theory that stated the outer orbit of an atom could hold more electrons than the inner orbit.

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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

From which layer of the atmosphere do particles of air escape into space?

will give brainly

Answers

Answer: The layer from where particles of air escape into space is exosphere.

Explanation:

The atmosphere is divided into layers. There are 5 main layers of atmosphere, which are: Troposphere, Stratosphere, Mesosphere, Thermosphere and Exosphere.

  1. Troposphere is the lowest layer of the atmosphere where most of the weather occurs.
  2. Then comes the Stratosphere which is about 50 km above the Earth's surface. It contains most of the ozone which is present in the atmosphere.
  3. Then comes the Mesosphere which starts from 50 km and extends upto 85 km from the Earth's surface.
  4. Then comes the Thermosphere which starts from 90 km and extends to between 500 km and 1,000 km.
  5. Exosphere is the last layer of the atmosphere, through which anything escapes the atmosphere to space. This layer extends upto 10,000 km from the Earth's surface.

Hence, the layer from where particles of air escape into space is exosphere.

Answer:

Exosphere

Explanation:

I took the k12 test.

________ use organelles called _________ in their leaves to collect _____ energy

Answers

My guess would be: Plants use organelles called chloroplasts in their leaves to collect light/solar energy.
the last one is the suns energy

. Write the following isotope in nuclide notation (e.g., “ ”): copper-70

Answers

Answer:

  •            ^(70)_(29)Cu

Explanation:

The nuclide isotope notation represents the isotope by its chemical symbol preceded by a superscript (to the left of the chemical symbol) showing the mass number and a subscript (also the the left of the chemical symbol) showing the atomic number (number of protons).

Copper-70:

  • Chemical symbol: Cu
  • Mass number: 70
  • Atomic number: 29 (the atomic number is found in any periodic table)

Nuclide notation:

  •            ^(70)_(29)Cu

¿cual es el volumen de un vaso con agua?

Answers

8 oz. o 237 ml.

Eso sí que es.


nose ni me importa solo quiero puntos perdon :v  XD

What is the wavelength of a 147-g baseball traveling at 91.0 mph?

Answers

The formula to determine the wavelength is, De-Broglie wavelength formula:

\lambda =(h)/(mv)      -(1)

where, \lambda is wavelength, m is mass, v is velocity and h is Planck's constant = 6.63* 10^(-34) Js = 6.63* 10^(-34) kgm^(2)s^(-1)

mass, m = 147 g  (given)

Since, 1 g = 0.001 kg

So, 147 g = 0.147 kg

v = 91.0 mph    (given)

Converting mph to mps:

Since, 1 mph = (1.609* 10^(3) ms^(-1))/(60* 60)

So, 90 mph = (91* 1.609* 10^(3) ms^(-1))/(60* 60) = 40.67 ms^(-1)

Substituting the values in formula 1:

\lambda =(6.63* 10^(-34) kgm^(2)s^(-1))/(0.147 kg* 40.67 ms^(-1))

\lambda =1.11* 10^(-34) m

Hence, the wavelength wavelength of a 147-g baseball traveling at 91.0 mph is

1.11* 10^(-34) m.


Answer: its D

Explanation: