The noble gas in the second period. O H2 O He 0.02 O Ne O Ar

Q: Give the formula of the following compounds. a. Sodium hydroxide_____________ b. Potassium…

A: INTRODUCTION: compounds are formed of both positively and negatively charged ions so that resulting…

Q: Which of the following would most likely be classified as a molecular/covalent compound? barium…

A: A covalent molecular compound consists of individual molecules that contain only covalent bonds. The…

Q: Which of the following atoms is smallest? O Mg O F ON ΟΚ

A: Variation of atomic size in groups :-  Down the group atomic size increases because down the group…

Q: the formul Magnesium Lithium oxide (4ydrogen Su lfek Sodium corbanale Hydrogon nitrogen A luminum

A: Answer :-  Name  Magnesium  Lithium oxide  Hydrogen sulfate  Sodium carbonate  Hydrogen  Nitrogen…

Q: Consider the following ions: Fe+2 Cs+ N3- P-3 a) For each of the following ions, indicate the total…

A: In any neutral atom, the number of electrons = the number of protons; but not for ion. For Fe,…

Q: Which of the following would be mos Da water and carbon tetrach oride (Co 0.wax and water oiland…

A: Solutions Solutions are formed by the homogeneous mixture of two components. Two components form…

Q: 17 X This is a Lewis dot diagram: Which element is represented? O phosphorus (P) chlorine (CI) boron…

A: 17. It represents the Lewis dot diagram of Chlorine (Cl).

Q: 1. Write the formula of the following compounds: a. Strontium Hydride b. Radium peroxide c. Cesium…

A: A chemical formula is a way of presenting  a  molecule in terms of the atoms that the molecule is…

Q: Of the following elements, which has the lowest first ionization energy? Са O Ba O Si O Ci O P

A: Larger the size of atom, lower will be it's ionization energy as it easily releases loosely bound…

Q: What is the compounded chemical symbol for nitrous oxide? * NOa aNO A. B. NaOa Na0 D.

A: Nitrous oxide is also known as laughing gas...

Q: What is the ionic compound formed by aluminum and oxygen? O Al30 O Al203 O Al302 O AIO3

A: As per bartleyby guidelines i answered only first question so please don't mind .thank you.

Q: What is the molecular weight of a sample of ferrous sulfide heptahydrate (FeS-7H2O)? (Round all…

A:

Q: ey tend to gain electrons when forming ions. ey tend to be poor conductors. ey tend to lose…

A: Metal and non metals can be differentiated on the basis of physical and chemical properties.

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: Write the formula for the following compounds: mercurous dihydrogen arsenate stannic perchlorate…

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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: uestion You have a white, crystalline solid which melts at 146 °C. It does not conduct electricity…

A: A solid which does not conduct electricity might be a non-metal as non-metals do not conduct…

Q: What is the chemical formula of the following molecular compound (covalent) Dinitrogen tetroxide? O…

A: Chemical proportions of the atoms in a compound are represented by the chemical formula of the…

Q: Which of these elements is most reactive? Li K Na

A: alkali metals are most reactive among other elements of the periodic table,  Because they easily…

Q: Without doing any detailed calculations (but using aperiodic table to give atomic weights), rank the…

A: Avogadro’s number- The number 6.023*1023is called as Avogadro’s number in the honour of scientist…

Q: Write the chemical formulas for the following compounds:(a) Silver cyanide(b) Calcium…

A: The chemical formula of the compounds usually indicates the property of the elements that combine…

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: What is the charge of "X" in X(SO4)2? O 1+ O 2+ O 3+ O4+

A:

Q: (2) Br Br (3)

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

Q: In the equation below X must be a X+ _ ZY→ _ XY + _Z, Anion O Cation O Noble Gas

A: Product is Z2 means two Z forms Z2 , so here Z is anion because no cation can form this.

Q: Which of the following compounds is most ionic? Baclı A B CaClz Balz D CaBr2

A: We know that: According to Fajan's rule, Ionic bond is favored by less charge on ions.  Ionic…

Q: Each of the following compounds contains a metal that can exhibit more than one ionic charge. Name…

A: Metals having more than one ionic charge are mainly the transition metals. Oxides are formed with…

Q: Write a formula for each of the following compounds:(a) silicon dioxide(b) silicon tetraiodide(c)…

A: (a)

Q: Which of these is classified as covalent: a) potassium bromide O b) sodium sulfide c) hydrogen…

A: Generally, metals forms ionic compounds and non- metals forms covalent compounds. There can be some…

Q: Write a chemical formula for a compound that contains two nitrogen atoms to every one oxygen atom.…

A: Chemical formula is a representation of a compound by showing number of each element presented in…

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: Solve this

A: The question states that the chemical formula is composed of twice as many hydrogen atoms as…

Q: When two elements combine to form a compound, the greater the difference in metallic character…

A:

Q: From the following ions and their radii (in pm), choose a pair that gives the strongest ionic…

A: With the help of Fajan's rule, it can be predicted whether a bond between two atoms will be ionic or…

Q: Which of the following compounds would you expect to be ionic? O A. C2H6 O B. NH3 OC. H202 LiBr D.…

A: Correct answer is option D) LiBr Lithium is a metal it can donate electron to bromine. and forms an…

Q: AL(NO3), + KaSOs Alb (Sos),+ KNOJ 3

A: Al(NO3)3 + K2SO3 → Al2(SO3)3 + KNO3

Q: What are the names and chemical symbols of boron (B) and silicon (Si)

A:

Q: Write the chemical formulas of these compounds. 1. Rubidium nitride 2. Potassium selenite 3.…

A: Write the chemical formulas of these given  compounds---

Q: Fill in the name and empirical formula of each ionic compound that could be formed from the ions in…

A: Ionic compounds are formed by the combination of ions. When cation binds with anion by electrostatic…

Q: Which element (X) forms an ionic compound with the formula NagX? © magnesium O sulfur O carbon O…

A: There are different type of  chemical bonds and compounds which are formed by combination of…

Q: 4. : What is the correct formula for the compound formed between potassium and phosphorus based on…

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

Q: Give the number of electrons in P¯3. O 18 O 12 O 19 O 15 16

A: How many electron in P3- ?

Q: Which of the following is an Alkaline earth metal O Li O AI Fe Ca

A: Alkaline earth metal are gropu 2 elements of periodic table.

Q: -H Br NO2 CI Br

A: IUPAC name of the organic compound is composed of the following three components:Root name = depends…

Q: 7 1 4 6.3Li +1H - 2He+ 2 1H 4 О не O 4 O ABe 3 On

A:

Q: What is the formula for Potassium Hydroxide? А. КОН о в. К(ОН)2 O C. K2HO O D. KO

A: Formula of a compound is written by the combination of basic radical first then acidic radical

Q: x Al(NO3)3 +y Na,S zAl,S3 +1NANO3

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: Which of the following has the greatest first ionization energy? A. o sodium B. o germanium C. o…

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…

Q: Write the chemical formula for tin(II) chloride dihydrate 04- 03 O+ 02+ O3+ 04+ 1 3 4 7 8 9 O, 02 03…

A: tin (II) = Sn2+  chloride = Cl- tin (II) chloride = SnCl2   di = 2 hydrate = H2O dihydrate = 2H2O…

Q: 5. Which of the following compounds is an ionic compound? OA. H20 O B. CaS OC. H2CO3 O D. HCN

A: