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Periodic Table
The Periodic Table is a tabular arrangement of the elements in increasing order oftheir atomic numbers, so that elements with similar properties are in the same column. There are 18 columns, called groups, and seven rows, which are called periods, in the modern periodic table. Questions about the Periodic Table: its history and creation, trends, groups/families, and periods are asked in our Periodic Table category.
11,356 Questions
Which element is likely to combine with a nonmetal K Ar F or Br?
K, potassium being a metal is highly reactive towards non metals.
Fluorine has the most electronegative element, Cl and Br
The total number of rows and columns in a table is called?
The total number of rows and columns in a table is called the size or dimensions of the table.
You may heat the common salt easily up to 795 Celsius after that it starts melting.
sorry it can't be but some day scientists may find away to combine any elements in any combination to make coumpounds.
What would happen if Palladium did not exist in the universe?
If Palladium did not exist in the universe, certain industrial processes involving Palladium as a catalyst would be affected. This could impact the production of certain chemicals, such as plastics and pharmaceuticals. Additionally, Palladium's absence could have implications for certain technologies, like catalytic converters in vehicles.
The price of chromium varies depending on market conditions, but it is generally priced around $1,500- $2,000 per metric ton. The price can fluctuate based on factors like supply and demand, production costs, and economic conditions.
Name two characteristics of the elements in the first group?
Elements in the first group of the periodic table, also known as Group 1 or the alkali metals, are highly reactive due to their single valence electron. They are soft metals that can be easily cut with a knife and have low melting and boiling points compared to other metals.
The combination of chart elements that can be displayed in a chart?
The combination of elements that can be displayed in a chart include the plot area, axes (x-axis and y-axis), data series, legend, title, labels, gridlines, and chart title. These elements work together to communicate data effectively and help viewers understand the information being presented in the chart.
The atomic number increases from left to right across the periodic table because the number of protons in the nucleus of an atom increases. This results in a higher positive charge, leading to a stronger attraction to electrons and a closer binding of electrons to the nucleus.
Why does Britain now have to spell sulfur like the Americans do?
Unfortunately, the standard spelling of that particular element is "sulfur". The story goes that Britain agreed to spell sulphur as the Americans do, in exchange for America agreeing to pronounce "aluminium", not "aluminum". The Americans have failed to stick to their side of the bargain, so technically we should still be permitted to use our own version of sulphur.
Answer Sulfur isn't the "standard spelling", it's the spelling recommended by IUPAC, the International Union of Pure and Applied Chemistry, in 1990. The sulphur spelling is still acceptable for non-chemists, although from the etymology of the word, sulfur is more accurate as it's derived from Latin, not Greek, as the "ph" might suggest.
IUPAC also recommended "aluminium" as the accepted spelling/pronunciation for that element, as suggested above, it did not take off too well in USA.
Do elements in the same vertical column in the periodic table have similar chemical properties?
Their are protons, neutrons, and electrons that make up an atoms nucleus and its cloud. manipulating these will give you different elements with different properties but it is all how that combination reacts.
Reactivity of s-block element?
S-block elements are highly reactive due to the presence of one or two electrons in their outermost electron shell. These elements readily donate or lose these electrons to achieve a stable electron configuration, resulting in strong reactivity with other elements. The reactivity of s-block elements generally increases down the group.
In the periodic table elements in the first columns are called what?
The elements located in the first column, group IA on the periodic table, are called alkali metals.
What trends in the elements properties do you notice about elements that are in the same group?
Elements in the same group on the periodic table have similar chemical properties because they have the same number of valence electrons. This leads to similarities in reactivity, bonding behavior, and chemical reactions among elements in the same group. Additionally, elements in the same group tend to show patterns in atomic size, ionization energy, and electronegativity due to the arrangement of electrons in their outer energy levels.
He is called the "Father of the periodic table" because he organized the elements according to increasing atomic mass.
What is the name of the heaviest known gas in the periodic table?
The heaviest gas at room temperature ( 75º F, 293.15º K) is WF6, or Tungsten Hexafluoride (297.83 g/mol, that's almost 10 times heavier than air!). It changes phase (becomes liquid) at 290.25º K, or about 62.78º F.
Johann Dobereiner placed elements with similar properties in to groups of threes called what?
Johann Dobereiner grouped elements with similar properties into triads. In these triads, he observed that the properties of the middle element were the average of the other two.
Which are inner transitional metals?
The inner transition metals are a section that has been pulled out of the periodic table. These elements are called Lanthanides (La) & Actinides (Ac).
Lanthanides: Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb & Lu
Actinides: Th, Pa, U, Np, Pu, Am, Cm, Bk, Cf, Es, Fm, Md, No, Pu, and Lr.
Where are the least reactive metals found on the periodic table?
The right most column, Group 8*, or the noble gases are the least reactive elements in the periodic table these are:
- platinum
- gold
- mercury
- thallium
- lead
- bismuth
- polonium
What is the Lewis dot structure of CaH2?
The Lewis dot structure of CaH2 shows calcium (Ca) with 2 dots representing its valence electrons and each hydrogen (H) atom bonded to calcium with one dot representing its valence electron. This forms a linear structure with calcium in the center and one hydrogen atom bonded to each side.
Examples of light and heavy gases on the periodic table?
Light gases on the periodic table include hydrogen (H) and helium (He), which have low atomic masses and are found in the first two groups of the table. Heavy gases include xenon (Xe) and radon (Rn) which have higher atomic masses and are found towards the bottom of the table in group 18.
Newland's octaves refer to the grouping of elements in the periodic table into groups of eight, based on similar chemical properties and electron configurations. This concept helps to predict the behavior of elements and their reactions in chemical reactions.
Do elements in the same group or period have similar properties?
Elements in the same group have similar properties because they have the same number of valence electrons. In contrast, elements in the same period do not necessarily have similar properties, as their chemical behavior is determined by the number of electron shells they have.
