Horizontal rows in the periodic table are referred to by what two terms?

Q: The element rubidium is in group and period The element magnesium is in group and period The element…

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Q: Explain how to write the noble-gas notation for an element. What is the noble-gas notation for…

A: Noble gas notation: It is a way of writing the electronic configuration of a particular element.…

Q: Classify each element as a metal, nonmetal, metalloid.a) Antimony b) Strontium c) Phosphorus…

A: Non-metal:Non-metal is an element that mostly absences metallic character.Metalloid:Metalloid is one…

Q: 42. The formulas for the oxides of sodium, magnesium, alumi num, and silicon are, respectively,…

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Q: Whar principle in constructing the periodic table used the atomic number as basis rather than the…

A: The study of elements and their compounds can be made easy by a systematic classification of…

Q: A representative element (Z) forms an ion with a 2+ charge.  What is the  a)  Roman Numeral group…

A: Oxidation state or oxidation number is the number of electrons that are either gained or lose by an…

Q: A chemist repeats the gold experimentbut she uses of aluminum atomic number 19) of gold (atomic…

A: Aluminum foil is usually about 0.03mm in thickness while gold (more malleable than aluminum) can be…

Q: Define the following terms related to atomic structure: atomic number, mass number, atomic mass,…

A: Atomic number The atomic number is the number of protons in the nucleus of an atom. The number of…

Q: Show the locations of (a) alkali metals, (b) alkalineearth metals, (c) the halogens, and (d) the…

A: Since you have posted questions with multiple subparts, we will solve the first three sub parts for…

Q: Be sure to answer all parts. Identify the highlighted element in the periodic table and give its:…

A: We have to have the basic idea of periodic table to answer those questions. We know right side of…

Q: In which group of the periodic table is clement X found?

A: The ionization energy is the amount of energy required to remove a valence electron from the…

Q: Use the notation to represent a tin ion having the same number of electrons as anatom of the isotope…

A: Isotopes: Those species having same number of electron and proton but different number of neutron.…

Q: If two electrons are removed from an atom what is the charge of the resulting cation(positively…

A: There are two types of ions namely anions (negatively charged) and cation (positively charged). The…

Q: What is the atomic number of the transition metal Gold (Au)?

A: Atomic number of gold is  79

Q: How do I Express my answer isotope for part F

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Q: Part A What is an ion? An ion is a charged particle. O An ion is a neutral particle.

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Q: In five or more sentences, describe the properties of nonmetals.

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Q: Write the symbol for element and classify it as a metal, nonmetal, or metalloid.tin

A: The elements which lie on the left side or middle of the periodic table are classified as metals.…

Q: Which group of the periodic table is known as the alkalimetals? List their symbols.

A: The periodic table gives the arrangement of elements in the order of increasing atomic numbers. It…

Q: One isotope of hydrogen is called protium. Its symbol is: bydroge protum) What is the term used for…

A: Isotopes refer to those elements which have same atomic number but different mass numbers. In other…

Q: Write the symbol and name for the elements located in the periodic table as follows:

A: a. According to the periodic table, the noble gases are located in the group VIIIA (18) means the…

Q: Complete the table below, using the diagram of an atom shown at right.

A: u

Q: What is the name of the symbol H?

A: The given symbol H denotes the element Hydrogen.

Q: family of elements in the periodic table and how are they differentiated/ distinct from each other?

A: The terms element family and element group are used to describe sets of elements sharing common…

Q: Diagram an atom of nitrogen which consists of 7 protons, 7 neutrons and 7 electrons. Be sure to…

A: Answer -

Q: List three ways in which metals and nonmetals differ.

A: Metals and nonmetals are the two categories in the periodic table. Metals are sonorous in nature…

Q: Enter the symbol of the element which would have 18 electrons and +1 charge.

A: An atom is a smallest particle which is capable of existing independently. It has equal number of…

Q: Recognize the important subdivisionsof the periodic table: periods, groups(families), metals, and…

A: Recognize the important subdivisions of the periodic table: periods, groups (families), metals, and…

Q: where is metalloids located in the periodic table

A: The periodic table is the table in which each element is arranged in increasing order of their…

Q: ENRICHMENT Complete the concept map below by filling up the boxes with the appropriate concepts…

A: A scientist named Mendeleev arranged the different chemical elements present in this world according…

Q: Beryllium has an atomic number of 4. Which of the following statements is true of a neutral…

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Q: From the image below, the part of the periodic table that is circled by the orange marker is called…

A: On the left side: They are called the s-block elements. In s -block there are two groups: Group-1…

Q: How would you classify the elements in the leftmost part of the periodic table

A: How the elements in the leftmost part of the periodic table has to be given.

Q: Elements of a group in the periodic table

A: The periodic table is the arrangement of chemical elements according to their atomic number. These…

Q: elements which normally exist as diatomic molecules?

A: Only elements which normally exist as diatomic molecules can be identified as Generally halogens…

Q: . True or False: Deuterium has the greatest number ofprotons of all the isotopes of hydrogen.…

A: The electrons, protons, and neutrons are the basic constituents of an atom. They help in determining…

Q: The element sulfur has an atomic number of 16 and an atomic mass of 32. How many neutrons are in the…

A: Atom consist of nucleus at its center and electrons revolve around the nucleus. Nucleus contains…

Q: Is hydrogen metal nonmetal metalloid

A: Answer= non-metal.

Q: Which element would you expect to be most similar to the element Argon (Ar) in terms of properties?…

A: Argon (Ar)  Atomic number = 18  Electron configuration = [Ne] 3s23p6   So, it has 8 electrons in its…

Q: represent the same element?

A: we know,In atom the number of protons and electrons are equal but different neutrons is possible.so…

Q: Isotopic Symbol electrons Format: X-# Element atomic # of # of # of mass Symbol number number…

A: There are different type of elements with Their different symbols. Some symbols derived from their…

Q: How elements are grouped in the periodic table ?

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Q: When elements are arranged by increasing atomic number, and by periods according to their…

A: According to the given question we have, as we move across the period the atomic number increases.…

Q: The element tin would be classified as: Select an answer and submit. For keyboard navigation, use…

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Q: Is gold metal nonmetal or metalloid

A: Gold is a transition metal belonging to Cu and Ag group.