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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.

45,908 Questions

Can easily reach the table top and who am i?

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Asked by Wiki User

This question is a bit unclear. Are you asking for an explanation of who you are, or are you inquiring about the physical ability to reach a table top? If it's the latter, the answer is yes, you can reach the table top if you are of average height or taller. If it's the former, the answer is not as straightforward. You are:

  • A unique individual
  • A person with experiences, values, and beliefs that are uniquely yours
  • Someone with a unique set of skills and abilities

The answer to this question is ultimately up to you, as you are the only one who can determine who you are.

What element is located in first row of group 1?

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Asked by Wiki User

It is hydrogen. This element is the only one in its group because it is extremely unique and shares none of the properties of other gases.

Why are the metals grouped together?

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Asked by Wiki User

Non metals are grouped together because of their similar properties. They are placed in groups-15,16 and 17

Where was the table made?

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Asked by Wiki User

There is no record of the first billiards table, but it almost certainly was made in either France or Italy where the game evolved.

Which of the folling elements has an atomic number of 4?

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Asked by Wiki User

The element with an atomic number of 4 is helium. Helium is a colorless odorless tasteless non-toxic inert monatomic gas. It is the second lightest element and the second most abundant element in the universe. Helium is most commonly found on Earth as a by-product of natural gas production. It is used in a variety of applications including:

  • Cryogenics
  • Arc welding
  • Pressurizing liquid-fueled rockets
  • Gas lasers
  • Breathing gas for divers and astronauts

Helium is also used as a coolant in nuclear reactors and MRI machines. It is also used to detect leaks in vacuum systems and pressurized gas systems.

How are the elements arranged horizontally on the periodic table?

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Asked by Wiki User

The period number of an element in the Periodic Table is the number of the highest electron shell that is occupied in the ground state of the element, and the column number, if the number has only one digit, or the last digit of the column number, if the number has two digits, is the number of valence electrons in the element, except for columns 8, 9, and 10. (For the elements in columns 3 through 11, the nominal number of valence electrons may or may not correspond to the most usual number of electrons donated, accepted, or shared in bond formation by an atom of the element.)

Each element is distinguished by having one more proton than the element to its immediate left in a row, or one more proton than the element at the far right of the preceding row if the element is in column 1 and therefore has no element to its immediate left. Hydrogen is in column 1 and the only other element in the first period, helium, is in column 18. In the next two periods, columns 3 through 12 are skipped in filling the table, and in the sixth and seventh periods, column 3 is expanded into a separate row of fourteen elements at the bottom of the main table before another atom is put into column 4.

Which group of the periodic table do atoms try to be like?

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Asked by Wiki User

8a group is the group in which the atoms "try to be like."

What elements are not on the periodic table?

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Asked by Wiki User

you will find almost everything about the element in the periodic table like its atomic mass and its atomic number, chemical affinity also its electronegative but you wont find when the element was discovered or weather it is found in free state or oxides in nature

What is the name of the chemical formula CaS?

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Asked by Booknerd

Ca is the periodic symbol for Calcium. S is the periodic symbol for Sulfur. As such, CaS2 is a compound of calcium and sulfur.

What 3 elements on the periodic table had complete outer shells?

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Asked by Wiki User

All the Noble/Inert gasses.

However, Helium (He) has a complete outer shell of only TWO(2) electrons.

The other noble gases all have a complete octet (outer) shall, of EIGHT(8) (Octet) electrons.

Why interval notation cannot be used to represent the set of atomic masses given?

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Asked by Wiki User

Why interval, notation cannot be used to represent instead of atomic masses

How many electron can fit into each electron shell in the electron cloud?

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Asked by Wiki User

2n2, where n is the main quantum number (the number of the shell).

2n2, where n is the main quantum number (the number of the shell).

2n2, where n is the main quantum number (the number of the shell).

2n2, where n is the main quantum number (the number of the shell).

What can be a good slogan for oxygen to put on a chemistry project and it has to rhyme?

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Asked by Wiki User

If you were doing something with infrared waves and radishes you could call it "Infra-Raddish" or if it were something to do with botany it could be "Plantology"

Which group of elements are stable?

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Asked by Wiki User

the most stable element group is the noble gases group

Where are the alkali and alkaline earth metals located on the periodic table?

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Asked by Wiki User

Alkali metals: Group 1 in the periodic table

Alkaline earth metals: Group 2

Halogens: Group 17

Noble Gases: Group 18

You can easily find them if you look at a periodic table.

In the periodic table what group contains both metals and non metals?

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Asked by Wiki User

its the boron group which contains one metalloid and 5 metals

What is a good slogan for the element beryllium?

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Asked by Wiki User

Are poor quality stress gauges getting you stressed? Stainless steel too grainy and lacking strength? Is your solid state laser just not "dope" enough? Stock up on the ever popular ytterbium, now with seven stable isotopes!

Crucible with cover?

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Asked by Wiki User

a crucible is a metal pot the is used to separate metals. those that are wroth something and those that are not. A crucible is also the name fora witchs cauldron, thus the name of Arthur Millers Text the Crucible.

What're the similarities between group 1 and 7 in the periodic table?

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Asked by Wiki User

All elements in Group 7 have the same number of electrons in their outermost shell and this number corresponds to the group number.

What were the key elements of the program that came to be called Reaganomics?

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Reaganomics (identified with the 40th President, from 1981 to 1989) was referred to as "supply side" economics (or the critical label trickle down) because its primary aim was to increase capital and capital expenditures, intending to fight a slowing economy and eventually increase government revenue. The policies were centered on large, broad tax cuts and smaller cuts in the spending budgets for social programs.

How did mendelevium the element get its name?

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Asked by Wiki User

The name of the chemical element mendelevium is derived from the name of the Russian chemist Dimitri Ivanovici Mendeleev, the discoverer of the periodic table of elements.