How can properties be used to identify elements




















How can the periodic table be used to predict the properties of the elements? Chemistry Matter Elements. Ernest Z. May 28, Related questions What periodic table elements are radioactive? How can elements have different isotopes? How can elements be broken down? How can elements properties be predicted? What is a chemical element? What element in the fourth period of the periodic table has 5 valence electrons?

The further right and up on the periodic table, the higher the elements electronegativity. Fluorine has the highest electronegativity of 4. The electronegativity can be used to determine the bonding nature of two elements. The difference subtraction between the electronegativity value of two elements can be used in a rough scale to determine bonding, 0 to 0. There are other trends on the periodic table that would provide indicators of how an element may act including, Ionization Energy, Electron Affinity, Atomic Radii and Ionic Radii.

How can elements properties be predicted? Chemistry Matter Elements. Mar 21, Group and Electron Configuration The group column of the periodic table determines the valence electron count.

Metal and Non-metal The periodic table is divided into metals on the left and non-metals on the right. Thus, if you are not sure content located on or linked-to by the Website infringes your copyright, you should consider first contacting an attorney.

Hanley Rd, Suite St. Louis, MO Subject optional. Email address: Your name:. Example Question 1 : Understand Basic Chemistry. Which of the following defines the identity of an element? Possible Answers: Number of neutrons. Correct answer: Number of protons. Explanation : The identity of an element is determined by the number of protons. Report an Error. Example Question 2 : Identifying Elements. What element could contain seven protons, eight neutrons, and seven electrons?

Possible Answers: Carbon. Depending on isotope and ionization, any of these could have the given configuration. Correct answer: Nitrogen. Explanation : An element is defined by its number of protons. Example Question 1 : Identifying Elements.

Which of the following molecules consists of only one element? Possible Answers:. Correct answer:. Explanation : Elements are shown on the periodic table.

Is it possible to form a compound from only one element? Possible Answers: Yes; compounds and elements are synonyms. Yes; diatomic gases are compounds that consist of only one element. Yes; water is a compound that consists of only one element. Correct answer: Yes; diatomic gases are compounds that consist of only one element. Explanation : Elements are defined by the number of protons in a given atom, and the atom is the smallest unit of an element.

Example Question 5 : Identifying Elements. Which of the following atomic properties, if known, will reveal the identity of the element? Possible Answers: More than one of these answers could allow us to identify the given atom. Correct answer: The number of protons. Explanation : There are two properties that can be used to identify an element: the atomic number or the number of protons in an atom.

Example Question 6 : Identifying Elements. Which of the following phase labels are used for all diatomic elements? Possible Answers: r. Correct answer: g. Explanation : Diatomic elements are commonly referred to as diatomic gases because whenever they are by themselves, they bond to themselves that is where the "2" subscript comes from.

Example Question 7 : Identifying Elements. Possible Answers: P. Correct answer: K.



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