9. Draw an electron dot diagram to illustrate the bonding for a molecule of H₂O. 10. Identify the name of the elements in the following locations on the periodic table: a) b) d) Group 14 (IV A), Period 2 Group 11 (IB), Period 4 Group 18 (VIII A), Period 6 Group 1 (IA), Period 1 ●

Q: moles

A: In the balanced chemical reaction,  Number of atoms of each element in reactant side is equal to…

Q: Differentiate between Atomic and Ionic Radii?

A: The difference between Atomic and Ionic Radii have to be given below.

Q: The hydroxides formed by three elements of period 3 are given in the following table.   Period…

A:

Q: 4. What is the definition of thermal chemistry? The study of change that involves temperature The…

A: Thermal chemistry is associated with quantity of heat involve in a chemical reaction.

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: How do Group VIA elements form ions? A) They lose protons B) They gain two protons C) They lose two…

A: Ans Group 6A (or VIA) of the periodic table are the chalcogens: the nonmetals oxygen (O) The common…

Q: Identify an element that would have similar properties as magnesium (Mg). Explain your choice and…

A: The element that has the similar properties like magnesium is -

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: The formulas for several ionic compounds are shown below, with X representing an unidentified main…

A:

Q: Based on the location of the elements magnesium (Mg) and bromine (Br) in the Periodic Table, which…

A: We have to select the correct statement for the compound MgBr2

Q: Who discovered the noble gas Xenon?

A: Xenon is a chemical element with the symbol Xe and atomic number 54. It is a colorless, dense,…

Q: is the chemical formula for the compound formed between tin(IV) and chlorine?   What is the…

A: Chemical formula tells us the number of atoms of each element  in a compound.

Q: Question 2 Briefly cite the main differences between ionic, covalent and metallic bonding. Question…

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

Q: The molar concentration of 290 ppm of Cs+ (132.91 g/mol) in a solution that has a specific gravity…

A: given molar concentration = 290 ppm =290 mg/L = 290*10-3 g/L

Q: In the three molecules, O2, HCl, and F2, what atom would have a partial negative charge?

A: Answer:  Cl (chlorine) atom in HCl having partial negative charge.

Q: For the atom with Z = 6. a. The atomic symbol is b. The name of this atom is c. This atom is in…

A:

Q: Two neutral objects are sketched below, in black and white. There are positive and negative electric…

A:

Q: Hypothetical elements X and Y form a molecule XY2, in which both Y atoms are bonded to atom X (and…

A: X-Y distance in the molecule XY2 will be 186 pm.  Bond length of any molecule is given by the…

Q: The following paragraph is a description of the fictional element melbournium (Mb).   Mb in its…

A: Answer:Electronegativity differenceBond typeless than 0.4Pure covalentBetween 0.4 and 1.7Polar…

Q: Use the pictures below to answer the question. 6. Choose the two elements that are located on the…

A: Hence the correct answer is 2 and 3

Q: a) Write the chemical name and chemical formula of a compound formed between an atom of group 1 A,…

A: a) The chemical name of the atom compound formed of the atom of group 1A period 4 and sulphate ion…

Q: 8. Naming and Empirical Formulas. Name the ionic compound formed from the following pairs of…

A: (a) Magnesium and nitrogen  Mg2+ + N3- ------> Mg3N2  Therefore name of the ionic compound -…

Q: hich of the following statements is/are true? I. Solids are compact but if melted it moves…

A: The correct options are:

Q: An element Y reacts with Hydrogen to form a compound with a formula of HY. In which group in the…

A: An element Y reacts with Hydrogen to form a compound with a formula of HY. in HY, if we dissociate…

Q: Two common oxides of iron are FeO and Fe2O3. Based on this information, tell how you would predict…

A: Iron has two common oxidation state, Fe2+ and Fe3+. To differentiate between Fe2+ and Fe3+ in…

Q: What are the common family names for the elements in groups 1, 2, 17, and 18?

A: Elements present in group 1 is lithium, sodium, potassium, rubidium, cesium, and francium .…

Q: (a)    Cu(C2H3O2)2 (an ionic compound) From the chemical formula of the ionic compound, identify…

A: To solve this problem we have to write the name of cation and anion then we will write the name of…

Q: Find out the molar mass of CSH9NO4. O 143.13 g/mol O 137.13 g/mol O 174.13 g/mol O 147.13 g/mol Find…

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this…

Q: Silicon is the foundation of today's Microelectronics. a) Indicate which other elements from group…

A: Elements from group IV of periodic table are: Z = 6, Carbon (C)  Z = 14, Silicon (Si) Z = 32,…

Q: The positions of two elements, P and Q, in the Periodic Table are shown. P and Q react together to…

A: Reactivity of elements depends on their individual property they react to form stable compound.

Q: What is the chemical formula for the compound formed between manganese(IV) and chlorine?

A: Manganese (Mn) is a transition element and Mn is present in +4 oxidation state . Cl (atomic number =…

Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.