What is the most sensitive element in periodic table?
Fluorine is identified as the most electronegative element in the periodic table, making it the strongest oxidizing agent. It is the most reactive non-metal. Fluorine is so reactive that it can burn substances that one would generally think of as non-flammable!
Which of the following elements is a transition element?
The period 4 transition metals are scandium (Sc), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn).
What group has shiny elements?
The periodic table on the left separates elements into three groups: the metals (green in the table), nonmetals (orange), and metalloids (blue). Most elements are metals. They are usually shiny, very dense, and only melt at high temperatures.
Where are the transition elements on the periodic table?
Transition elements are the elements that are found in Groups 3-12 (old groups IIA-IIB) on the periodic table (salmon-colored block in the middle of the table).
How many transition elements are there in the periodic table?
These three main transition series are included in the set of 30 elements often called the d-block transition metals….General properties of the group.
|density (grams per cubic centimetre, 20 °C)||6.11|
Is there an interactive periodic table of elements?
Idaho National Laboratory has enlisted its experts, researchers and writers to produce an online interactive Periodic Table that offers pop-up information on every single known element.
How are the elements in the periodic table sorted?
The elements of the periodic table sorted by density. 1 0.09 Hydrogen H 1 – Atomic number. 2 0.18 Helium He 2 – Symbol. 3 0.53 Lithium Li 3 – Atomic Mass. 4 0.86 Argon Ar 18 – Electronegativity. 5 0.9 Neon Ne 10 – Density.
What are the columns on the periodic table called?
The periodic table is the tabular arrangement of all the chemical elements on the basis of their respective atomic numbers. In the periodic table, the vertical columns are called ‘groups’ and the horizontal rows are called ‘periods’.
How old is the periodic table of elements?
Go into any scientist’s office or lecture hall anywhere in the world and you are likely to see one. Its story is over 200 years old, and throughout its history, it has been a subject for debate, dispute and alteration.