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Why is lead placed in group 1 and 2 of the periodic table?
Lead is not placed in 1 or 2 group of periodic table, it is in IV-A (14th) group of periodic table, however in the scheme of salt analysis it is placed in ist and 2nd groups of basic radicals.
How many groups of plants are there?
Vertebrates are classified variously .Most popular classification divides them in 2 groups , 1 superclass Pisces and super class Tetrapoda . There are other classifications as Agnatha , Gnathstomata , Amniota and Anamniota .
What are the 4 groups of plants?
The four main groups of plants are mosses, ferns, gymnosperms, and angiosperms. Mosses are non-vascular plants, ferns are seedless vascular plants, gymnosperms have naked seeds (like pine trees), and angiosperms have seeds enclosed in fruits (flowering plants).
What are the four groups of terrestrial plants?
The four groups of terrestrial plants are bryophytes (mosses and liverworts), pteridophytes (ferns and their relatives), gymnosperms (conifers and cycads), and angiosperms (flowering plants). These groups vary in their reproductive structures and evolutionary history.
Why does helium and hydrogen does not come in agroup of periodic table?
Helium has 2 valence electrons and hydrogen has 1 electron. So, they are placed in different groups.
What are the 2 main groups of plants?
the answer is they are divided into 2 groups-vascular and non-vascular
What are the two first groups organisms was placed in?
The two first groups of organisms were placed in the categories of plants and animals. This system of classification based on physical characteristics was established by Aristotle in ancient Greece.
What are the 2 main groups of living things?
The two main groups of living things are- a) Plants b) Animals
What are 2 large groups plants are classified?
angiosperms gymnosperms
How organize plants into 2 groups?
There are several ways you may classify plants into two groups. A few of them are:- Angiosperm and Gymnosperm. Evergreen and deciduous. Hardwood and softwood.
All animals can be placed in to 2 groups. what are they?
i think this is it...invertebrates and vertebrates? i think this is it...invertebrates and vertebrates?
What 2 groups of plants are considered relatives to ferns?
They are horsetails and club mosses.
Why is lead placed in group 1 and 2 of the periodic table?
Lead is not placed in 1 or 2 group of periodic table, it is in IV-A (14th) group of periodic table, however in the scheme of salt analysis it is placed in ist and 2nd groups of basic radicals.
Aristotle contributed to the science of taxonomy when he classified animals in 2 groups and plants in how many groups?
Aristotle classified animals into two groups based on their red blood and bloodless characteristics. He also classified plants into three groups based on their size and complexity: trees, shrubs, and herbs.
All animals can be placed in one of two groups what are the two groups?
Vertebrates and invertebrates.
What are The two large groups of plants are those that have leaves and those that to not have leaves?
false the two large groups are seed plants and nonseed plants
What are groups of plants?
Biomes
