Group 2A of the Periodic table contains the Alkaline Earth matals. Those elements are: Beryllium ( Be ), Magnesium ( Mg ), Calcium ( Ca ), Strontium ( Sr ), Barium ( Ba ) and Radium ( Ra ). Beryllium is the lightest member of the group 2A. Ionic radius increases moving down the group ans decreases from left to right across the period of elements. In the group 2A ionic radius increases from Beryllium ( 59 pm - picometers ) to Radium ( 163 pm ). Answer: Beryllium<span> has the lowers ionic radius. </span>
Answer:
11
Explanation:
According to the periodic table Sodium (Na) has 11 electrons.
The plants which have a fibrous root system are
<h3>What is a fibrous root?</h3>
A fibrous root system is a root system which consists of large mass of roots of nearly equal size
Some few examples of plants with fibrous roots system are as follows:
- Rice plants
- Sugarcane plants
- Onions
- Pines
- Asparagus
- Maize
In conclusion; the plants which have a fibrous root system are grasses and corns.
Learn more about fibrous root system:
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Elements can combine to form molecules, like o2 or co2. elements combine to form molecules and these elements are joined together by chemical bonds i.e covalent bond in this molecule so option A is correct
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