Using the periodic table, classify each of the following elements as a metal or a nonmetal, and then further classify each as a main-group (representative) element, transition metal, or inner transition metal:(a) uranium(b) bromine(c) strontium(d) neon(e) gold(f) americium(g) rhodium(h) sulfur(i) carbon(j) potassium

Q: Identify the element represented by each of the followingsymbols and give the number of protons and…

A: Protons and neutrons together are bound inside the nucleus. They both bound to nucleus by strong…

Q: While roaming a parallel universe, you discover the hypothetical element "Z." You obtain a…

A: We need to calculate the atomic weight of the element Z.

Q: An element "X" is an alkaline earth metal and reacts with element "Y" which is a halogen. What is…

A: The ionic compound formed when alkaline earth metal reacts with halogen given below.

Q: What THREE elements are rare-earth elements? calcium neodymium rhenium niobium samarium thallium…

A: In the above question the elements which are rare earth metal  among the option provided are…

Q: Which of the following exists in nature as a diatomic molecular element?  Group of answer choices…

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Q: Which of the following statements is incorrect? A. Protons are positively charged. B.) Protons…

A: Atom is made up of 3 particles 1) Proton 2) Neutron  3) electron

Q: Using the periodic table, classify each of the following elements as a metal or a nonmetal, and then…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Give two examples of each of the following: (a) alkalimetals, (b) alkaline earth metals, (c)…

A: The answer and the explanation is as given below:  I am instructed to answer only three subparts…

Q: Which of the following pairs of elements do you expect to be most similar? O nitrogen and oxygen…

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Q: Which of the following are poor conductors of heat and electricity? O Transition elements O Halogens…

A: Elements can be classified into 3 forms, that is metals, non-metals, and metalloids. Metals are the…

Q: 2-81. (*) A 40.0-milligrams sample of the compound X.O, contains 22.5 milligrams of oxygen atoms.…

A: We have a 40 mg of sample  of X4O10, which contain 22.5 mg of oxygen atoms,  We have to calculate…

Q: Determine the relative atomic mass of chlorine if (with RAM 34.969) and (with RAM 36.966) have…

A: Atomic mass of Cl-35 = 34.969  Percentage abundance of Cl-35 = 75.5%  Atomic mass of Cl-37 = 36.966…

Q: Is Phosphorus a cation or anion?

A: Positively charged cations and negatively-charged anions are formed when electrons lose from metal…

Q: Choose all of the following that apply to oşmium, Os. a. Metalloid b. Alkali metal Oc. Transition…

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Q: Which element would be expected to have chemical and physical properties closets to those nitrogen(N…

A: sulfur, because it's in the same groupGroups are columns of a periodic table. Both oxygen and sulfur…

Q: Choose one element on the periodic table and get all its isotopes, proton-rich isotopes, and…

A: Since the isotopes of an element have the same atomic number and have a different atomic mass.

Q: What is the atomic weight for the element that is in group 5A and period 4?

A: given: group 5A period 4

Q: Bromine has only two natural isotopes, and they occur in about equal abundance.   If 79Br79Br is…

A: Average atomic mass of an element is obtained by the sum of the product of isotopic mass and natural…

Q: An element 'A' contains 15 protons, 15 electrons and 16 neutrons. it is |. It becomes when it has 15…

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: Which of the following refer to elements in D-block? O Inner transition metals O Metalloids O…

A: A transition metal can be defined as any element in the periodic table, which includes groups 3 to…

Q: what is the atomic number for 37Cl with a charge -1

A: Given that, Cl-37 Charge = -1

Q: If a sample of gallium contains 1.56×104 atoms of gallium-69 and 1.02×104 atoms of gallium-71, what…

A: Given,1.56×104 atoms of gallium 69.1.02×104 atoms of gallium 71.

Q: Which element do you expect to have properties similar to chlorine? Group of answer choices Nitrogen…

A: In periodic table the elements present in the same group have same valence electronic configuration…

Q: Enter the appropriate symbol for an isotope of phosphorus-32 corresponding to the isotope notation…

A: The term isotopes can be defined as the variants of a given chemical element that differ in neutron…

Q: Gallium has 2 naturally occurring isotopes, 69Ga and 71Ga. If 69Ga has an exact isotopic mass of…

A:

Q: Which of the statement is false? O potassium is an alkaline earth metal. O Lithium is an alkali…

A: Given : Statement  To find : False statement

Q: Which one of the following is the chemical symbol of an atom with 17 protons and 20 neutrons?

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Q: Elements of which of the following groups on the periodic table always occur naturally as monatomic…

A: The groups given are, A) Noble gases B) Halogens C) Chalcogens  D) Pinctogens E) Group 4 A (14)…

Q: 8 C N 3 12 13 14 15 16 Transition elements Mg Al Si P 26 28 29 Fe Ni Cu 47 50 Ag Sn Questions and…

A: The question is based on periodic properties of the elements. we have been given certain elements.…

Q: Which of the following DOES NOT belong to the following group if organized into one?  a. protons…

A: Proton is subatomic particle. It has positive charge. It lies inside the nucleus. Photon is not a…

Q: element is 5 X 24 Which a chromium b) germanium iron D) barium

A:

Q: b. Rutherford created the cathode-ray tube and was the lith Which of the following is(are) correct?…

A: The correct statement (s) are to be determined. (a) Ca2+2040 ion : The atomic number=20 The number…

Q: Identify the following elements, giving their name and atomic symbol. a gaseous element in Group…

A: 1) Chlorine Cl atomic number is 17 2) Technitium Tc atomic number is 43

Q: Name the following: Two elements belonging to the same period as Iron. Two elements belonging to the…

A: Note: According to our guidelines we are supposed to answer only first three subpart. Kindly repost…

Q: Given the following information about the isotopes of Titanium, calculate the average atomic mass of…

A: We know that,

Q: Read eacn aescription in the first column of the table below. If any chemical element with atomic…

A:

Q: In the formula Al2Se3, what is the charge of the Aluminum and the Selenium?

A: First of all let us analyze the given structure of Al2Se3. The structure has two atoms of aluminium…

Q: 6. No element exists with mass number larger than about 300. Explain Why?

A:

Q: v. Answer true or false. (a) Mendeleev discovered that, when elements are arranged in order of…

A: The elements in the periodic table are arranged according to their periodicity. There are trends…

Q: The most common isotope of oxygen has a mass number of 16, but two other isotopes having mass…

A: Isotopes are the compounds having same atomic number but different mass number.  They have same…

Q: Isotope name atomic # mass # # of protons # of neutrons # of electrons thorium-232 thorium-229…

A: Atomic no. = No. Of protons = No. Of electrons No. Of neutrons = mass no. - no. Of protons

Q: An element has two naturally occurring isotopes. One has an abundance of 51.839% and an isotopic…

A:

Q: Which of the following is a metalloid calcium oxygen boron Neon

A: A metalloid is an element that has properties that are intermediate between those of metals and…

Q: Identify the element represented by each nucleus A through E as a metal, a nonmetal, or a metalloid.…

A: Given : symbol of proton and neutron

Q: Which of the following statements about atomic structure is NOT accurate? Group of answer choices…

A: We know for the atomic structure   Atom is composed of proton, electron and neutron. Components…

Q: What is the relationship between an isotope’s abundance in nature and an element’s atomic mass…

A: Isotopes are atoms of same elements which have same atomic number but different mass number.

Q: Isotopic Notation. Complete the table below. Where isotopic notation is required, enter the complete…

A: Representation of an isotope is given as: XnZA where, 'A' is the mass number, 'Z' is the atomic…

Q: Based on its chemical family, which of the following elements is likely soft, silver-coloured, a…

A:

Q: Define the terms period and group as they relate to the periodic table. Then, (ii) write an atomic…

A: Periodic table :-   A table with systematic arrangement of elements according to their properties in…

Group 14 Elements

The following elements come under group 14 of the periodic table.