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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

What are the elements in the second column from the left edge of the periodic table?

The elements in the second column from the left edge of the periodic table are known as the alkaline earth metals. This group includes beryllium, magnesium, calcium, strontium, barium, and radium. They are characterized by their high reactivity and tendency to form 2+ cations.

How are elements catagorized in the periodic table?

The periodic table is organized in rows and colums called periods and groups. each period in the table helps correspond to the filling of a configuration of the outermost electron shells of their atoms.

What atom in row 3 of the periodic table is likely to form a -2 ion?

The atom in row 3 of the periodic table that is likely to form a -2 ion is sulfur (S). Sulfur is in group 16 and can gain two electrons to achieve a stable electron configuration.

What elements located from cerium to lutetium?

The elements located from cerium to lutetium in the periodic table are known as the lanthanides. They have atomic numbers 58 to 71 and are characterized by similar chemical properties. Lanthanides are used in various technologies such as electronics, lasers, and renewable energy applications.

What symbol is this for nH4ClO3?

ammonium perchlorate, it is a strong oxidizer and is very dangerous.

What feature of atoms determines the order of the periodic table?

The number of protons in the nucleus of an atom, which is the atomic number, determines the order of the periodic table. Atoms are arranged in increasing atomic number from left to right and top to bottom in the periodic table.

Can magnesium displace lead from solution?

No it will not displace it since magnesium is higher than iron in the reactivity series :D

From what Latin word is the symbol for iron derived?

Ferrum is the Latin equivalent of 'iron'. It's the word from which the symbol for iron is derived. Its symbol is 'Fe', which is taken from the first two letters of the word in Latin.

Can elements with variable valency can be stored in water?

Yes, elements with variable valency can be stored in water. However, the reactivity of the element will determine how stable it is in water. Some elements may react with water to form oxides or hydroxides, while others may remain stable. It is important to consider the specific properties of the element in question when storing it in water.

What is the 18 group called on the periodic table called?

called d noble gasses since these are not completly inert becouse zenon(Xe) forms some compounds with oxygen and flourine under the special cases n also some other elements of this group which is d noble nature of these gases so istead of giving name inert gases they r knwn as noble gases they are also known as zero group elements

How is the energy level of an elements valence electrons related to its period?

Each period has one more energy level than the last: lets look at group 1 the alkaline metals as an example

H - 1 - one energy level

Li - 2,1 - two energy levels

Na - 2, 8, 1 - three energy levels

K - 2, 8, 8, 1 - four energy levels

ect

What is element A on periodic chart?

Element A does not exist on the periodic table. The elements on the periodic table are represented by their respective chemical symbols, such as H for hydrogen, O for oxygen, or Fe for iron.

Elements that do not combine with other elements except under specially controlled conditions belong to which group?

Noble gases are the elements that do not typically combine with other elements except under specially controlled conditions due to their stable electron configurations. They include helium, neon, argon, krypton, xenon, and radon.

How do you weight a balloon with hellium?

To weight a helium balloon, you can attach small weights to it until it stays grounded. By adding enough weight to counteract the lifting force of the helium, you can measure the weight of the balloon.

What is americium element family?

Americium belongs to the actinide element family, which is a group of radioactive elements found in the actinide series of the periodic table. Actinides are characterized by their high atomic numbers and radioactivity. Members of this family include uranium, plutonium, and thorium.

Does A Period Table Contain Elements That Have Similar Properties?

The Periodic table is a representation of all elements grouped in a manner that lists elements with similar properties in columns. Adjacent columns have deceasing or increasing characteristics

A person suffering from hyponatremia has a sodium ion concentration in the blood of 0.120 M and a total blood volume of 4.8 L?

To calculate the total amount of sodium ions in the blood, you can use the formula: total amount = concentration x volume. Therefore, in this case, the total amount of sodium ions in the blood would be 0.120 M x 4.8 L = 0.576 moles of sodium ions.

Who was john Dalton's mom?

John Dalton's parents were Joseph Dalton and Deborah Greenup. The couple had a total of three children, John, Mary, and Johnathan.

What does The periodic table organize elements into groups that have similar?

The periodic table organizes elements according to the nature of their valence levels. The number of electrons needed to complete the valence level largely determines the chemical behavior of the element. Within groups or columns, the elements will have similar chemical properties. The elements go from more to less active from left to right, with the column on the far right containing those elements that are considered inert, or not chemically active normally.

Is Aluminum found as Al or Al2?

Aluminum is commonly found in its elemental form as Al. The chemical formula Al2 typically refers to aluminum oxide, a compound formed by aluminum and oxygen atoms.