Complete the table below. For example, in the first row decide whether Sc+3 is a cation or anion. In the second row, write the symbol for the ion that an atom of calcium is mostly likely to form and then decide what type of ion it is.

Q: Part A: In Fe2O3, what is the total negative charge ( there are 3 oxygen)? Part B: In Fe2O3, what…

A: Given :- chemical formula of a compound = Fe2O3  To determine :-  Total negative charge in compound…

Q: The formulas for the oxides of sodium, magnesium, aluminum, and silicon are, respectively, Na2O,…

A: The chemical formulas for each of the given compounds (metal oxides) are to be predicted based on…

Q: Write the formula and name of a molecule made up of a metalloid in Group 13 and three atoms of a…

A: Metalloid in group (13) : Boron 3 atoms of the halogen in period (2) : fluorine

Q: Give the names and charges of the cation and anion in each of the following compounds: (a) CaO, (b)…

A: a calcium oxide  b sodium sulphate

Q: K (s) + Br₂ Br₂ (8) K (s) + Li (s) ca (s) F2 (g) → N₂ (8) + N₂ + Cl₂ (8) Na + 02 (9) (s) Al (s) +…

A: By using periodic table concept we can complete the reaction as follows

Q: Which monatomic ions would you expect radium  (Z = 88)  and selenium  (Z = 34)  to form?

A:

Q: 2. Identify which of the following may represents an element, a molecular compound, or an ionic…

A: Matter exists in various forms.  In terms of molecular scale, the type of bonding, and the type of…

Q: Differentiate between Atomic and Ionic Radii?

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

Q: Write the empirical formula of at least four binary ionic compounds that could be formed from the…

A: The ions given are Fe2+, Al3+, I- and S2-.

Q: Write the formulas for the following compounds:

A:

Q: Some polyatomic anions contain a metal as part of the anion. For example, the anion dichromate has…

A: Given anions are dichromate and permanganate. The given cation is potassium cation. The formula 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: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: Here in this question some cations and anions are given. Cations are - Fe2+ and NH4+  Anions are -…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Isotope elements having similar atomic number but different mass number

Q: Fill in the missing values for the symbols, mass numbers, atomic numbers, protons, electrons, and…

A:

Q: The monatomic ions of Groups 1A(1) and 7A(17) are all singly charged. In what major way do they…

A: To find: The monatomic ions of Groups 1A(1) and 7A(17) are all singly charged. In what major way do…

Q: Which one is the anion and which one is the cation?

A: We have given an compound Ca3(PO4)2 and we have to find which  one is the anion and which one is the…

Q: Write the chemical formula for this molecule: I carbon nitrogen oxygen fluorine key hydrogen sulfur…

A: A chemical formula is a way of expressing information about the atoms that constitute a particular…

Q: 3+ Complete the table below. For example, in the first row decide whether Sc is a cation or anion.…

A: Cations are ions that are positively charged and  anions are ions that are negatively charged.If an…

Q: Enter the symbol of a sodium ion, Na+Na+, followed by the formula of a sulfate ion, SO42−SO42−.…

A: Answer 2: Introduction: Sodium belongs to group 1 element with atomic number 11 and mass 22.98…

Q: Which of these compounds would you expect to be ionic: N2O, Na2O, CaCl2, SF4?

A:

Q: How many atoms of oxygen are indicated in the formula Fe(NOa)3? O 1 O 3 O 6 0 9

A: Calculate numbef of O atom in Fe(NO3)3 ?

Q: Write the formula for the ionic compound that forms between each of the following pairs of elements:…

A:

Q: Calculate the radius in nanometers of a metallic atom given that it has a BCC structure and a…

A: Given: Density of metallic atom = 11.48 g/cm3 Atomic weight of atom = 115.52 g/mol NA = 6.022 x 1023…

Q: Cadmium forms the Cd^2+ ion in many of its compounds. State the number of protons and electrons in…

A: Answer:When an atom gains the electrons, it forms negatively charged ions called as anions and when…

Q: Write the empirical formula of at least four binary ionic compounds that could be formed from the…

A: Any ionic compound is made up of cation and anion Hence any binary ionic compound will have only 1…

Q: The species, 4521X2- is:   an anion, with 21, protons, 24 neutrons, and 24 electrons   an anion,…

A:

Q: the cation of sodium (Na) bonds to the anion of sulfur (S) to form an ionic compound with the…

A:

Q: Magnesium Salicylate is sold as an over - the - counter drug to treat pain and inflammation . If…

A: Given that, Magnesium Salicylate is sold as an over-the-counter drug to treat pain and inflammation.…

Q: OH SO4? PO43 Na" Al H+1

A: While writing a chemical formula from combining cation and anion, we must ensure the charge balance.…

Q: As you move down a family (group) of the periodic table the size of atoms increases from period 2 to…

A: The long form of periodic table is the arrangement of all elements in the increasing order of their…

Q: Write an equation that shows the formation of a rubidium ion from a neutral rubidium atom (Z=37).

A: Rubidium atomic number is 37.  it is a silvery white metal present in alkali metals (IA group).  Its…

Q: The monatomic ions of Groups 1A(1) and 7A(17) are allsingly charged. In what major way do they…

A: The elements in group 1A (Li,Na, K,Rb,Cs,Fr) have one valence electron in their valence shell.…

Q: Write the formula for the ionic compound formed from the barium cation (Ba 2 +) and each anion: (a)…

A:

Q: The molecular formula of a compound whose simplest formula is CHO2 and whose molar mass is 135.0…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Which of the following are paired correctly? Chlorine Cl2 Sulfur S4 Phosphorus Nitrogen N

A: We know that, Chemical symbol of , Nitrogen is N

Q: Write

A:

Q: The isotope carbon­11 does not occur in nature but has been made in the laboratory. This isotope is…

A: Given: The carbon isotope= C611

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: Ionic compound with Different structure

Q: Here is a list of five compounds: MX, M,X, MX.„ M,X, and MX,. 2+ M represents a metal ion, but not…

A: The solubility of the salt, MmXx, can be calculated as shown below.…

Q: b) Calculate the number of protons, electrons and neutrons that the element Xy have. www. Protons=…

A: Given : For XyMetal  Number of electrons = 56  Number of protons = 56 Number of neurons = 44

Q: Write the chemical formula for each of the following ternary compounds given their constituent ions:…

A: Formula of the compound  is formed by criss cross method in which numeric value of charge of ion…

Q: Write any two similarities between lithium and magnesium.

A: Since,  Lithium is first element of the 2nd period and the Magnesium is second element of the 3rd…

Q: 1. Which element belongs to Group 4A? ○ calcium ○ carbon ○ selenium ○ chromium 2. Which of the…

A: 1) The element that belongs to Group 4A has to be identified. The given elements are Calcium,…

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: The oppositely charged ions' combination gives a specified type of compound in which the net charge…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.