Give the formula of a negative ion that would have the same number of electrons as: a)Sodium b)Calcium c)Aluminium d)Rubidium

Q: Give the name and formula of the compound formed from the following elements: (a) cesium and…

A: a) The element cesium lies in the 1A (1) group of the periodic table. Elements in the 1A (1) group…

Q: How many electrons are in Cr^{6+}6+?

A: Cr has an atomic number of 24. Atomic number is number of protons, which is equal to the number of…

Q: fluorine atom has 9 electrons - 7 in its outer shell and 2 in its inner shell. How many electrons…

A: To become fluoride ion, fluorine must have 8 electrons in its outermost shell.

Q: References Use the References to access important values if needed for this plete the following…

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Q: 3. What kind of ions are likely to form from following elements and how. a. Calcium b. Bromine c.…

A: Note : according to our guidelines we are supposed to answer only one question.  Kindly repost other…

Q: Using the periodic table on page 22, which of the following atoms would you predict should form a…

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Q: Predict the formula and name of a binary compound formed from the following elements: (a) Na and H,…

A: ANSWER

Q: Ca(NO 3 ) 2 +Na 2 CO 3 CaCO 3 +2NaNO 3 how many oxygens atoms are on the left side

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Q: How many electrons are in hydrogen

A: Given element,       Hydrogen (H)

Q: Which is the formula for tungsten(VI) sulfide?

A: In chemistry different type of compounds have different formula and different names according to the…

Q: 14. In the compound calcium carbonate, (CACO3) what is the charge on the polyatomic ion CO3 ? a. 3…

A: The answer is option ( C)2- is correct

Q: For the following pairs of atoms, show how they transfer valence electrons, the ion that results,…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: Which would be the correct chemical formula for Li(1+) and S

A: Applying concept of formula formation by valency of element.

Q: Write names as appropriate for each of the following monatomic ions.  a. S-2 b. Cr+2

A: a) S-2 is an monoatomic anion. •When a neutral atom gain electron it becomes anion. •RULE:-When we…

Q: 23. Given the following pairs of ions, write the correct chemical formula of the corresponding ionic…

A: a) Potassium ion(K+) ,oxide(O2-)------------->K2O(Potassium Oxide) b) Sr2+(Strontium ),…

Q: Give the number of valence electrons for atoms of oxygen,sulfur, arsenic, phosphorus, and bromine.

A: Number of valence electrons for atoms of oxygen, sulfur, arsenic, phosphorus, and bromine are…

Q: Predict the charges of the monoatomic ions formed by each main-group element.(a) N(b) Rb

A: (a) The nitrogen atom is represented by symbol N. It is a non-metal and therefore, it gains…

Q: Based on its chemical family, which of the following elements is likely a strong, hard metal with a…

A: Here the element should satisfy the following properties i.e should be strong, hard, high melting…

Q: 3. During the formation of ionic bonds, with which noble gas does boron become isoelectronic with?…

A: #3: Boron(B) is a group-13 element with atomic number 5.  The electronic configuration of B(5…

Q: Write the short form of the followings: Bismuth ion (Bi+3) Arsenic (As) Bromine (Br)

A: Short form to represent atom of an element is called symbol which are used in a chemical reaction to…

Q: Which of the following is an example of a multivalent element? Question 6 options: a) oxygen b)…

A: Multivalent elements are elements which have more than one oxidation state for element. The example…

Q: Make an outline of the separation of the following cations into their respective groups: a. Mercury…

A: Different group cations can be separated by precipitation method i. e.  by addition of different…

Q: Element Number of Valence Electrons Lewis Dot Symbol 1 4. lodine 5. Carbon 6. Barium 7. Selenium 8.…

A: The symbols of the elements are as follows: Iodine – I Carbon- C Barium – Ba Selenium -Se Silicon-Si…

Q: Write an equation that shows the formation of a aluminum ion from a neutral aluminum atom. Represent…

A: Here, we have to write the equation that shows the formation of an aluminium ion from a neutral…

Q: Write the short form of the followings: · Bismuth ion (Bi+3) · Arsenic (As) · Bromine (Br)

A: Arsenic is a chemical element with the symbol As and atomic number 33.

Q: Ion Charge Number of Electrons in Ion Number of Protons in Ion Symbol Cu 27 Br 36 +1 37 36 34 Zn +2…

A: → In atom the number of protons is equal to number of electrons→ When we charge number of electron,…

Q: Some common polyatomic ions are Select one: 3+ а. СНЗСОО , Ci, Fe 2- b. Mno, , Co, с. СОз , H,0 c.…

A: Polyatomic ions are ions in which there is some charge and made with more than one atoms.

Q: identify the charge on the following ions. Boron= Bromine= Calcium= Potassium= Nitrogen=

A: The charge on the given ions can be identified as, Boron=B3+

Q: Question 2 Is hydrogen a metal or a nonmetal? How many valence electrons does a hydrogen atom have?…

A: Dear student, Since your have asked multiple questions we will solve the first question for you. If…

Q: Iron metal (steel) is in what ionic form?

A: Iron is a transition metal. It is found in the earth crust. It is very important for the survival of…

Q: Write the chemical formulas for the following ionic compounds. A) Calcium cyanate B) Cesium…

A: Ionic compound is formed when electron is transferred from anion to cation. While writing the…

Q: How many electrons are in the n = 3 shell of a magnesium ion (Mg²⁺)?

A: Atomic number of magnesium (Mg) is---- 12 So, in magnesium (Mg) number of electrons present is--- 12…

Q: Write the short form of the followings:   ∙ Bismuth ion (Bi+3)  ∙ Arsenic (As)  ∙ Bromine (Br)

A: Writing for the short form of the Bismuth ion, Arsenic and bromine given below.

Q: What is the total number of electrons in the correct Lewis dot formula of the sulfite ion (SO, )?…

A: As per the guidelines I am able to answer only one question at a time. Please upload the other…

Q: MCQ 47: Apple green flames are produced by the compounds of A. Strontium B. calcium C. barium D.…

A: The metal compound when introduced in flame they impart  characteristic colour to flame. To perform…

Q: Why couldn't a Na^+ Ion formed by adding a proton to a Na atom

A: Here we are asked to tell about reason why couldn't a Na+ ion form by adding a proton to a Na atom?…

Q: 4.31. Name the following binary ionic compounds, using a Roman numeral to indicate the charge on the…

A: To find: The name of the given binary compounds using Roman numeral to indicate the charge on the…

Q: How many electrons are in the n = 3 shell of a magnesium ion (Mg?")?

A: Magnesium   Symbol = Mg  Atomic number of Mg is 12

Q: 12. Which of the following is NOT an ionic compound? - a. K20 b. NaCI c. Na2SO4 d. CO2 e. LIN3

A:

Q: Predict the chemical formula for the ionic compound formed by the elements Ag and N

A: Silver will form a 1+ ion. Nitrogen will form a 3- ion.

Q: Give the chemical formula and name of the ionic compound composed of fluorine and lithium.

A: The ions given are lithium i.e. Li+ (formed by losing the only valence electron in Li) and fluorine…

Q: Determine the number of valence electrons in each of the neutral atoms. a) Carbon b) Nitrogen  c)…

A: Valence shell electrons are the outer most shell electrons that associated with an atom. These…

Q: Aluminum (Al) reacts with chlorine (Cl,) gas to form aluminum chloride. Given the position of…

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Q: Molecular Modeling Directions: Use the Periodic Table to fill in the name of each element (ator…

A: Different type of atoms or elements have different names and symbols, with different number of…

Q: MCQ 76: In CO, molecule, the number of electrons in valence shell around the Carbon atom are A. 2 B.…

A: Valence shell electrons are the electrons which are present in its outermost shell of the atom.

Q: a.  If an atom of sodium contains 1 valence electron and an ion of sodium contains 8 and has a 1+…

A: a.  If an atom of sodium contains 1 valence electron and an ion of sodium contains 8 and has a 1+…

Q: The radius of a spherical aluminum atom is 140 pm. How many aluminum atoms could fit lines across…

A: The vertical length of the page is provided. The width of the page or the shape of the page is not…