The experiment that led scientists to change from the previous model to the one shown is that; the colors of light emitted from heated atoms had very specific energies.
The model of the atom showed in the image is the Bohr model of the atom. This model was the successor of the Rutherford model of the atom.
This model proposed that electrons were found in specific energy levels that has a definite value of energy.
This was arrived at after he discovered by experiments that the colors of light emitted from heated atoms had very specific energies.
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Answer:
Speeed
Explanation:
The speed of an object is defined as the rate of change of distance:
where
d is the distance covered by the object
t is the amount of time needed to cover that distance
Speed is measured in meters per second (m/s). It should be noted that speed is a scalar quantity, so it only has a magnitude (and no direction).
Answer:
Newtons Second Law of Motion
Explanation:
Answer:
The first one with the rope would be a transverse wave and the second with the slinky would be a longitudinal wave
The activity occurring at an axon terminal involves the following labelled 1 - 6:
- synaptic vesicles
- synapse
- motor end plates (neurotransmitter receptor)
- calcium channel
- neurotransmitters
- axon
The transmission of nerve impulses between neurons, muscles cells or glands is known as nervous transmissions.
Axons are long slender projections of neurons which are responsible for nervous transmission.
Neurons use both electrochemical signals and chemicals known as neurotransmitters to transmit impulses from one neuron to the next.
The junction between two neurons or an effector cell is known as a synapse.
Neurotransmitters are packaged into synaptic vesicles at the axon end. When electrical signal reaches the end of the axon, influx of calcium ions through the calcium channel cause the the synaptic vessels to fuse with the presynaptic membrane and then release their contents into the synaptic cleft or space.
The neurotransmitters released then bind to the motor end plate resulting in another impulse transmission along the second neuron or an action by effector cells.
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