Answer:
Electrodes are the rods that carry the electric current to and from the electrolyte. These rods are usually inert, as in they do not react- usually graphite or platinum. The positive electrode is called the anode and the negative electrode is called the cathode.
Explanation:
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Answer:
below
Explanation:
Insulators: wood, tire, glass cup, wool hat
Conductors: frying pan, penny, wire
A is melting. Melting occurs when the molecules of a solid speed up enough that the motion overcomes the attractions so that the molecules can move past each other as a liquid.
b is evaporation The molecules move and vibrate so quickly that they escape into the atmosphere as molecules of water vapor
Answer:
d. Electrons have a negative charge and are lighter than protons
Explanation:
The best statement that describes electrons is that electrons are negatively charged and are lighter than protons.
There are three known subatomic particles which are:
- Protons which are the positively charged particles within an atom.
- Electrons are the negatively charged particles
- Neutrons do not carry any charges.
The mass of the protons and neutrons are similar.
Electrons are lighter than both protons and neutrons.
Lipids are insoluble in water and they produce twice as more energy as carbohydrates.