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What is the key to the placement of an element on the periodic table?
Wiki User
∙ 14y ago
Elements are always nearby elements of similar, but still slightly different, properties. Groups, or families as they are called, of elements share the most similarities. Groups are vertical on the table. An example of similarity in a group is the alkali metals group, the furthest on the left. Comprised of Hydrogen (H), Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs), and Francium (Fr), they all have 1 valence electron. This attribute causes all of them to react similarly and look similarly. They also all have somewhat similar melting and boiling points except for Hydrogen, which is a gas at room temperature, and therefore has very low melting and boiling points. They all react violently with water except hydrogen, the ferocity increasing as you go further down the table. Groups 1-8, the ones that seem to stand above the rest and start with Hydrogen (H), Beryllium (Be), Boron (B), Carbon (C), Nitrogen (N), Oxygen (O), Fluorine (F), and Helium (He) respectively have a number of valence electrons that corresponds with their group number. Also, the elements are placed in order of increasing atomic number, or the number of protons that the element contains as it goes across. This will be the most prominent number that you can see on just about any normal Periodic Table.
Wiki User
∙ 14y ago
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What does the background of the square indicate in the periodic table?
It depends on the key of the periodic table. Usually it signifies the type of element, e.g., alkali metals, nonmetal, noble gases, metalloid, rare eath metals, transition metals. However, it can mean other things.
The most useful source of chemical information about the elements is a?
periodic table. The periodic table provides a concise and organized overview of all the known elements, including their atomic number, atomic mass, and other key properties. It allows scientists to quickly access information about each element, such as its electron configuration, valence electrons, and chemical reactivity.
What number is the whole number found in the periodic table?
There are two numbers that are included in every element's block on every periodic table. The whole number, which can range from 1 - 118 is the atomic number of that element. The atomic number is the number of protons in the nuclei of the atoms of that element. The second number is the atomic weight and is never a whole number, except for the artificially prepared elements, and then it is a whole number written inside parentheses.There may be other numbers listed as well, depending on the periodic table. All periodic tables have a key as to what everything inside each block represents.
What information about an atom properties can you read from the periodic table?
Different periodic tables show different information about an atom's properties. On the normal periodic table you can read the atomic number, which is the value of the number of protons in the nucleus.
What number determines what element an atom is from?
The identity of an element is determined by its atomic number. This is the number of protons it has, as well as the number of electrons it has when it's neutral. This number is unique to each element: no two elements have the same atomic number.
What is the answer key to the presidential periodic table?
this dick
Why is the periodic table called the key of life?
It is called the key of life because all the elements or compounds of the elements of on the periodic table make up the world.
How is metallic character shown on the periodic table?
The metallic elements on a periodic table may be represented by a certain color unlike those of other elements. Most periodic tables have elements in different colors, so try looking at the key that shows what each color represents for that element.
Why do the key features of the periodic table relate to the results of titration?
You don't need the periodic table for titrations (manual or potentiometric).
What does the background of the square indicate in the periodic table?
It depends on the key of the periodic table. Usually it signifies the type of element, e.g., alkali metals, nonmetal, noble gases, metalloid, rare eath metals, transition metals. However, it can mean other things.
Is manganese metal?
Manganese is a metal. It's element number is twenty five. If you look at a periodic table, you'll notice it's a metal by looking at the key.
What are some key features about the organization of the periodic table?
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The most useful source of chemical information about the elements is a?
periodic table. The periodic table provides a concise and organized overview of all the known elements, including their atomic number, atomic mass, and other key properties. It allows scientists to quickly access information about each element, such as its electron configuration, valence electrons, and chemical reactivity.
What number is the whole number found in the periodic table?
There are two numbers that are included in every element's block on every periodic table. The whole number, which can range from 1 - 118 is the atomic number of that element. The atomic number is the number of protons in the nuclei of the atoms of that element. The second number is the atomic weight and is never a whole number, except for the artificially prepared elements, and then it is a whole number written inside parentheses.There may be other numbers listed as well, depending on the periodic table. All periodic tables have a key as to what everything inside each block represents.
How does a new element get put on the periodic table?
The key defining characteristic between elements is the number of protons their atoms have. The periodic table is organized by increasing atomic numbers which are the number of protons each atom has. So a new element would be given an atomic number equal to the number of protons it has, then placed wherever it lands in numerical order with the all the existing elements.
What information about an atom properties can you read from the periodic table?
Different periodic tables show different information about an atom's properties. On the normal periodic table you can read the atomic number, which is the value of the number of protons in the nucleus.
What number determines what element an atom is from?
The identity of an element is determined by its atomic number. This is the number of protons it has, as well as the number of electrons it has when it's neutral. This number is unique to each element: no two elements have the same atomic number.
