The answer is b: in the oscillating electric and magnetic fields
1. Magnesium atoms also have a slightly smaller radius than sodium atoms, and so the delocalised electrons are closer to the nuclei.
2. Sodium has higher melting point than potassium because of stronger metallic bonding .
3. Potassium are very soft metal can be very easily cut with a knife
4. Increase of resistance in metals. Therefore the mobility of electrons decreases and causes decrease in conductivity.
5.To increase strength, increase corrosion resistance, or reduce costs.
6. All metals have low ionization energies and are relatively electropositive, and so they lose electrons fairly easily.
7. All the group 1 metals are reactive, but they get more reactive as you go down the group, so potassium is more reactive than sodium.
Redox reaction has a great economic impact. many product that we use in our daily lives are made using redox reaction. some of which are electroplating, that we use in our watches. and redox reaction also caused the rusting of irons, so buildings will rust and become brittle
A cloud which forms at ground level is called a fog.
<span>Fog <span>is made up of water droplets which are in the air or near the Earth's surface. Fog is a low-lying cloud.
It is mostly made near bodies of water. It can also be made by human
activities. Fog can form in many ways.
The different names for the different types of fogs are: Radiation fog, Ground fog, Advection fog, Precipitation fog,
which is also known as frontal fog, and <span>Hail
fog. </span></span></span>
<span><span><span>Hope it helps</span></span></span>
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Water containing carbonic acid and calcium