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What does a Roman numeral indicate at the top of a periodic table column?
A Roman numeral at the top of a periodic table column indicates the group number, which signifies the number of valence electrons in the atoms of elements within that column. For example, Group I elements have one valence electron, while Group VII elements have seven. This classification helps predict the chemical behavior and reactivity of the elements in that group.
What geometric group do the platonic solids belong to?
I DON'T KNOW sorry * * * * * Three dimensional shapes, regular polyhedra.
How do you calculate degrees of freedom for a group randomized trial?
148
What are the elements in 2x2 matrix with integer modulo 3 which is a group?
48
What is an identify propery?
In a group, the identity property is that each group contains an element, i, such that for all elements x, in the group, i*x = x*i = x. i is called the identity element.
Are all elements in group 14 solids?
It is true, all are solids.
Which group has both solids and gases?
first group of periodic table... hydrogen is a gas and other elements are solid....
Are all Group 1 elements on the periodic table solids?
No. Hydrogen, on a regular periodic table, is the first element in group 1, and it is part of the gas family.
What is liquid in the family IIA?
There is none. All of the elements in group/family in group IIA/2 are solids at room temperature.
Do all elements of a group have the same state of matter?
No, elements in a group do not necessarily have the same state of matter. Elements can exist in different states of matter based on their temperature and pressure. For example, in Group 18 (Noble Gases), elements like helium and neon are gases at room temperature, while elements like radon can be solids.
What element has a melting point of 30 degrees C?
Gallium (Ga) is the element that belong to group-III. It has melting point 30 degree celsius
In the periodic table although hydrogen is a member of group 1 what is the difference?
Hydrogen is a gas, the other group 1 elements areliquid or solids at Standard Temp & Pressure
Are lanthanides gases at room temperature?
No, lanthanides are not gases at room temperature. They are a group of metallic elements that are solid at room temperature.
What is a example of heat kinetic energy?
Which group on the periodic table contains chemical elements that are brittle as solids and cannot conduct electricity
How can physical properties be used to group elements?
It is the atomic number. It is the physical property.
Why are elements in groups 13-18 of the periodic table unique?
a single group can have members that are solids, liquids, and gases and a single group can contain metals , nonmetals and metalliods both a and b
Which element is a liquid metal under normal conditions?
If by ordinary conditions you mean room temperature then Everything from group 1 to 17 on the periodic table except : Technetium, Mercury, Nitrogen, Oxygen, Fluorine, Chlorine, Bromine (not including the man made elements )
