Which of the following elements is not a representative element? O Nickel Cadmium Silicon O Barium

Q: 1. Platinum ( pt) a. Write the physical and chemical properties of the element above. b. Write the…

A: Please find your solution below :  a. Physical properties : Atomic number = 78 Atomic mass =…

Q: Give the systematic names for the formulas or the formulas for the names: (a) Sn(SO3)2; (b)…

A: The systematic name (or) formula of the compounds has to be given.

Q: MCQ 13: The element of group IV which is metal is A. Carbon (C) B. Germanium (Ge) C. Lead (Pb) D.…

A:

Q: What does "X" represent in the following symbol? 53 28 silicon O iodine O thallium O nickel

A: Fourth option. Nickel

Q: What does "X" represent in the following symbol? 28 14 X O silicon sulfur O nickel O nitrogen

A: "X” represent in the 28X14 symbol = ?

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 characteristics is unique to the element calcium O Calclum is highly…

A: The calcium atom has an atomic number of 20.

Q: Identify each of the following elements as a metal, a nonmetal, or a metalloid:a. located in Group…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

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

A:

Q: Which statement is true about elements? An element is made of only one kind of atom Water is a…

A: An element is defined as substance which contains same type of atoms, and no other atoms. Has a…

Q: 3. Write the name and symbol for each of the elements described below) a. Halogen in Period 4 b.…

A: By using this period table we can get the answer for the given questions .

Q: Give one example (atomic symbol and name) for each of the following. a. a main-group…

A: Hi, since you have posted multiple questions. As per our guidelines, we will answer the very first…

Q: 1.Which of the following elements is not an alkali metal? a. Li b. Na c. K d. P

A: Note : As per our guidelines , we are supposed to answer first question please resubmit the other…

Q: Which elements are in the same group helium and hydrogen carbon and oxygen sodium and magnesium…

A: Group: The vertical column of the modern periodic table is known as "Group".

Q: Which of the following is NOT a Representative Element O Ni Sn Rb Sb O Pb O

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Q: John Dalton developed an atomic theory from which our current theory was built off. Which of the…

A: Dalton atomic theory is on the basis of law of conservation of mass , i.e mass can neither be…

Q: Isotope #3 • Element Symbol Ag • Nuclear Symbol Ag 81 35 • Atomic Number 35 • Mass Number 81 •…

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

Q: Which two elements on the periodic table are in the same period? O Sn and Rb O K and Ba O F and Cl O…

A: The periodic table is divided into 18 groups and  7 periods.(i)  The 18 vertical columns that goes…

Q: Compare the elements Mg, N, O, Be with regard to the following properties: You may need to use the…

A: The elements given are Mg, O, N and Be.

Q: What is the symbol in the image below? I. 37 CI 17 lon Isotope Neutral Atom

A:

Q: Rank the masses of the elements from lightest to heaviest. To rank items as equivalent, overlap…

A: Atomic masses of the elements: B : 11 u Cr: 52 u Li: 7 u

Q: PHYSICAL CHARACTERISTICS OF THE FOLLOWING;  OXYGEN SILICON ARGON MAGNESIUM ALUMINUM IRON…

A: Interpretation -  To explain the physical properties of following metals -    Introduction -  In the…

Q: Set I Set II Set III Не Na Kr N As Na O Ar Au Si H P Rb Pd Не Pd

A: • Since, the elements having same outer electronic configuration in their atoms are arranged in…

Q: 18 e 15 p* 16 n

A: According to the given question,the concerned ion must have 15 protons,and 16 neutrons,and also 18…

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: 2. Which of the following best describes an element? a. A neutral substance consisting of a cation…

A: Element is a substance which consists only of atoms having same atomic number and hence same…

Q: Which of the following elements fo Gold O Fluorine Hydrogen Sulfur Oxygen O Helium Olodine Antimony…

A:

Q: There are protons, neutrons, and electrons in 147₁ Hs+5

A: Atom is composed of three subatomic particles, which are electrons, protons and neutrons.  Protons :…

Q: Which statement is incorrect? Elements are building blocks for compunds. An atom is the smallest…

A: The detailed explanation of the given statements is as follows:   Statement true/false…

Q: Which of the following statements is always true? A All representative elements are nonmetals. All…

A: In the periodic table, the elements present in 1, 2, and 13 to 18 groups are known as representative…

Q: Which two elements on the periodic table are in the same period? OH, Na O B, Ga OK, Sc He, Ne

A: Which two elements on the periodic table are in the same period = ?

Q: 2. Write the symbol for each element · aluminium sulfate · kidney stones • component of teeth and…

A: The formulas of above components- Aluminum sulfate-Al2(SO4)3 Kidney stone-cacium oxalate stones are…

Q: 3. Which one of the following is a monoatomic element? a) oxygen b) iodine c) argon d). nitrogen

A: ***As there are more than one questions, here only the first question is solved.   In the given…

Q: 3 e 3 p* 4.

A: According to the question, the ion is having 3 electrons, 3 protons and 4 neutrons.  We need to…

Q: Which of the following chemical formulas and names of compounds correctly matched? (A) PbO2 = lead…

A: Naming of a compound is done by looking at the atoms which are combined and what they are called in…

Q: In which group on the periodic table is Iron? O Alkali metal O Halogen Alkaline earth metal O…

A: A multiple choice question based on the position of Iron in periodic table.

Q: if the density of an element 1.5 g/ml with volume 1.8 L, its mass will be .. 2700 O 2.7 O 1200 1.2…

A: Given question is asking about the mass of substance, if density and volume of solution is present .…

Q: Which of the following elements is NOT a metal? A) arsenic B) indium C) iridium D) lithium E)…

A: Arsenic is a metalloid and we can say it a metal.

Q: Which of the following formulas contain the same number of oxygen atoms? I. Mg(NO)2 I. NH,NO, I.…

A: Chemical formula is the representation of chemical composition using elemental symbol, number and…

Q: 33 - Which of the elements has similar chemical properties with sulfur (S) element? O A) Xe O B) Rb…

A: The element which has a similar chemical properties with the Sulfur element to be determined.

Q: From the following list of elements, select the elements that are likely to form a cation. Choose…

A: Select the correct option as shown in the question---

Q: Which of the following element isotopes contains the highest number of neutrons? CI-35 O C-37 O S-34…

A: The question is based on the concept of atomic structure. we have to identify which of the given…

Q: 2 Give the name of each of the following elements: a. Noble gas in Period 2 b. Halogen in Period 2,…

A:

Q: Which choice(s) of the following have 18 electrons O scandium3+ Calcium O Argon O Argon ion O…

A: A multiple choice question based on periodic table, which is to be accomplished.

Q: Most of the elements in the periodic table are O metals O non-metals O metalloids gases

A: Metalloids - Elements which have properties intermediate of metals and non-metals.  Metals - They…

Q: FORMULA WRITING. Write the formula for each of the following compounds and identify the metal as…

A: Barium nitrite consists of a Ba2+ cation and a polyatomic anion NO2-. The respective oxidation…

Q: Give the systematic names for the formulas or the formulas for the names: (a) Sn(SO₃)₂; (b)…

A: Ionic compounds are formed by the transfer of electrons from cations to anions. Cations are…

Group 14 Elements

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