An extremely unstable, radioactive element of the alkali group. It is the heaviest metal of the group. Francium occurs in nature, but less than 28.35 g (1 oz) is present in the Earth's crust at any time. It has approximately 19 isotopes, the most stable of which is Fr 223 with a half-life of 21 minutes. Atomic number 87; valence 1.
Cashews, unlike peanuts, come from a tree. Inside a stem of the fruit, the cashew nut lives. The fruit is called a cashew apple. The Cashew apple is eatable, however, the cashew nut is the main product produced by this tree. However, the cashew nut is not flesh to eat right away.The stem is very poisonous.It contains an acid-like oil that can only be burned out of the stem.nside a stem of the fruit, the cashew nut lives. The fruit is called a cashew apple. The Cashew apple is eatable, however, the cashew nut is the main product produced by this tree. However, the cashew nut is not flesh to eat right away.
The cashews grown in tropical regions contain more selenium than European or North American cashews, because of the soil in which they grow. Cashews are a good source of magnesium and phosphorus. Magnesium plays an important role in the strengthening of the bones and in the activity of enzymes. They also contain iron.Iron is an important part of haemoglobin, an elementary component of red blood cells.he cashews grown in tropical regions contain more selenium than European or North American cashews, because of the soil in which they grow. Cashews are a good source of magnesium and phosphorus. Magnesium plays an important role in the strengthening of the bones and in the activity of enzymes. They also contain iron.