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1y ago

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How do you indentify the elements in a compounds chemical formula?

To identify elements in a compound's chemical formula, look for capital letters. Each capital letter represents a different element. The number of each element in the formula is shown by the subscript next to the element's symbol.


How do you know which one is the atomic number?

The atomic number of an element represents the number of protons in the nucleus of an atom. It is typically located above the chemical symbol of the element in the periodic table. The atomic number determines the identity of an element and its position in the periodic table.


What is the empirical formula of a compound composed of 3.25 percent H 19.36 percent C 77.39?

To find the empirical formula, start by assuming you have 100 g of the compound. Convert the percentages to grams. Then convert the grams to moles using the molar mass of each element. Next, divide the moles of each element by the smallest number of moles to get the simplest ratio of atoms. Finally, write the empirical formula using these ratios.


Why would the absorption spectrum of each element have lines in the same places as in its emission spectrum?

The absorption spectrum of an element have lines in the same places as in its emission spectrum because each line in the emission spectrum corresponds to a specific transition of electrons between energy levels. When light is absorbed by the element, electrons move from lower energy levels to higher ones, creating the same lines in the absorption spectrum as the emission spectrum. The frequencies of light absorbed and emitted are the same for a specific element, resulting in matching lines.


What is the characteristic of last element in each period of periodic table?

The last element in each period is a noble element. It is non-reactive.

Related Questions

What is list?

Each element has a pointer to the next element, except for the last one.


What is singling?

Each element has a pointer to the next element, except for the last one.


What is single list?

Each element has a pointer to the next element, except for the last one.


What shows how many atoms of each element are in a unit of substance?

The chemical formula shows you this. The subscripted number next to each element shows how many atoms are present in a molecule or formula unit. If no number is shown, then only one atom of that element is present.


An algorithm of deleting linked list?

To delete a linked list walk through the list and delete the memory allocated to each element, remembering the next element address, and then iterating or recursing the process using the next element address, until the next element address is null.


A two column proof?

You list the steps of the proof in the left column, then write the matching reason for each step in the right column


Two-Column Proof in geometry?

You list the steps of the proof in the left column, then you write the matching reasoning for each step in the right column.


How can one determine the empirical formula from given percentages of elements in a compound?

To determine the empirical formula from given percentages of elements in a compound, you first need to convert the percentages to grams. Then, divide the grams of each element by its molar mass to find the moles of each element. Next, divide the moles of each element by the smallest number of moles to get the simplest whole number ratio. Finally, use these ratios to write the empirical formula of the compound.


How can one determine the empirical formula from percent by mass?

To determine the empirical formula from percent by mass, first convert the percentages to grams. Then divide the grams of each element by its molar mass to find the moles. Next, divide the moles of each element by the smallest number of moles to get the simplest ratio. Finally, use this ratio to write the empirical formula.


What is the difference between traversal and search?

Traversal simply means moving from one node to the next. Generally one searches by traversing the list, comparing each node's data with a given datum, either to return a pointer to a single matching node, or to return a list of matching nodes (copied from the list being searched), or simply to collect data about the matching nodes (such as a count of all the matching nodes).


How do 2 authors write one book?

However they want to!Some authors write one chapter and let the other author write the next one. Others write together, with each author contributing to each chapter. It depends on how they like to write.


What shows how many atoms of each element are in a unit of a substance?

The chemical formula shows you this. The subscripted number next to each element shows how many atoms are present in a molecule or formula unit. If no number is shown, then only one atom of that element is present.