It states the fact, which we now know, that electrons are responsible for the chemical bonding. According to this theory, valency is the number of electrons present in the outermost energy shell of the atom. This energy shell is called valency shell.
The electrons located in the valence shell of an atom are responsible for forming chemical bonds by sharing, donating or accepting electrons.
The parts of the atom responsible for chemical bonding are the electrons, which are located in the outermost shell of the atom, also known as the valence shell. These electrons can be shared, donated, or accepted to form chemical bonds with other atoms. For example, in a covalent bond, electrons are shared between atoms. In contrast, in an ionic bond, electrons are transferred from one atom to another, creating ions that are attracted to each other and form a bond.
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B) the hypothesis is tested extensively and competing hypothesis are eliminated
C) there are no other competing hypothesis
D) the hypothesis can be tested at least once
2) A preliminary untested explanation that tries to explain how or why things happen in the manner observed is a scientific ________.
A) law
B) theory
C) fact
D) hypothesis
Explanation:
to remind people that atoms were
Answer:
to remind people that atoms were
Explanation:
Answer:
Resistance resist the flow of current. This means that if 5V go through a resistance, it'll be reduce down to something below or equal to 5V.
If it gets reduce below 5V, lets say it goes down to 3V, the extra 2V must go somewhere. That 2V energy is converted to heat and dissipated through the resistor.
If there's a big current then the energy dissipated will be huge. And more negery = more heat which can cause fire and burn you.
Since the hydrangeas are changing color depending on whether the soil is acidic or basic, they must have an indicator. This means that any hydrangea planted in acidic soil will have blue flowers and any hydrangea planted in basic soil will have pink. One common indicator present in many plants is anthocyanin, so maybe hydrangeas contain that chemical.
I think the soil has a lot to do with the reason why the flowers have different colors.
A soil is a mixture of organic matter that supports life. There are 4 types of soil which are sand, silt., clay and loam soil.
A hydrangea flower is affected by the acidity of the soil to influence the color it turns out to be.
The acidic property in the soil used to plant the flower turned it blue,
while The alkaline property in the soil turned the color pink.
Learn more about soil here:
Answer:
Yes, this is possible.
Explanation:
It is possible that a cup of tea and teapot filled with tea has the same thermal energy. This often occurs in the real world, when two different thermal energy bodies are placed next to each other.
When two bodies are placed next to each other and these two bodies have different temperatures, there is a transfer of thermal energy between them, which allows them to present the same thermal energy.
With that we can conclude that the teapot received thermal energy from the stove and passed that energy to the tea that was inside it, in this way, tea and teapot had equal thermal energy. This tea, with high thermal energy, was placed in a cup with low thermal energy. The tea promoted a transfer of heat between him and the cup, allowing them to equalize their temperatures and consequently the thermal energy.
In this way, the cup has the same temperature as the tea, which has the same temperature as the teapot.
.Can travel through a vacuum
.Travels most slowly through a gas
.Speeds up when temperature is increased
.Is caused by vibration