42. The formulas for the oxides of sodium, magnesium, alumi num, and silicon are, respectively, Na2O, MgO, Al,O3, anč SiO2. Using the periodic table, predict the chemical formu las for each of the following similar compounds. (b) barium oxide (d) tin oxide (a) lithium oxide (c) gallium oxide

Q: Where is the lithium located in the periodic table and why is it located where it is

A: Lithium is located in the 2nd row and 1st group in the periodic table.

Q: what is the chemical formula for potassium phosphate

A: Potassium phosphate is a common term for salts of potassium and phosphate ions.

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: A representative element (Z) forms an ion with a 2+ charge.  What is the  a)  Roman Numeral group…

A: Oxidation state or oxidation number is the number of electrons that are either gained or lose by an…

Q: A chemist repeats the gold experimentbut she uses of aluminum atomic number 19) of gold (atomic…

A: Aluminum foil is usually about 0.03mm in thickness while gold (more malleable than aluminum) can be…

Q: An atom of sulfur has 6 electrons in the third, outer shell. What is the maximum number of electrons…

A:

Q: Which of the following in the picture attached has a carbon atom with a partial negative charge?

A: Partial charges on atoms making bond arises due to the electronegativity difference between the…

Q: Specify the relative charge on an electron and a proton

A: The relative charge on an electron and a proton have to be described below.

Q: name the following binary salts of the representative elements -

A: Since you have posted multiple questions with multiple subparts. So, as per the guidelines, we can…

Q: elements are made up of one type of atom and compounds are made up of multiple atoms bonded…

A: According to the definition, a molecule is made up of multiple atoms bonded together. If a molecule…

Q: Based on their position in the periodic table, what ions do potassium andselenium tend to form?

A: To find: Based on their position in the periodic table, what ions do potassium and selenium tend to…

Q: What is period in a periodic table?

A: Metals, non metals and semi-metals are placed in the periodic table according to their properties.…

Q: How was the arrangement of periodic table developed?

A: As the number of known elements increased, their information about the elements starts increasing.…

Q: difference between metal and non metal?

A: Here we are asked to write the difference between metal and non metal.

Q: What is the chemical formula of sodium chloride

A: Sodium chloride is the chemical name for salt. Sodium is an electrolyte that regulates the amount of…

Q: Which of the following is an ionic compound?   Select one: A. Carbon dioxide B. Barium oxide C.…

A: Which of the following is an ionic compound? Select one: A. Carbon dioxide B. Barium oxide C. Carbon…

Q: You have made up a new non-metal element, Lolium, and produced a gaseous compound from it with a…

A:

Q: One isotope of hydrogen is called protium. Its symbol is: bydroge protum) What is the term used for…

A: Isotopes refer to those elements which have same atomic number but different mass numbers. In other…

Q: 12)Which of the following is an ionic compound?   Select one: A. Carbon dioxide B. Barium oxide C.…

A: Ionic compound if formed by transfer of electrons between two atoms.

Q: Part C The cation Alt with each of the following anions: HSO3 and MnO4 Express your answers as…

A:

Q: Element Name Charge of the Atom Silver Strontium Samarium Silicon

A: This question is related to charges on atoms.

Q: Recognize the important subdivisionsof the periodic table: periods, groups(families), metals, and…

A: Recognize the important subdivisions of the periodic table: periods, groups (families), metals, and…

Q: (a) Would you expect scandium oxide to be a solid, liquid, or gas at room temperature?

A:

Q: what is the chemical formula for calcium phosphate?

A: First write the name of cation and then name phosphate with their charge  For writting a compound…

Q: a certain compound is made up of 2 chlorine atoms, one carbon atom, and one oxygen atom. What is the…

A: A chemical formula is defined as the composition of elements present in the compound in a fixed…

Q: what is Beryllium ion symbol?

A: Ionic symbol for any element can be written as, the atomic symbol along with the superscript which…

Q: Give the formula and charge of each of  the following anions: nitride, azide, nitrate

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: What is the chemical symbol of the alkaline earth metal in the same period as chlorine?

A: Given  chemical symbol of the alkaline earth metal in the same period as chlorine

Q: elements which normally exist as diatomic molecules?

A: Only elements which normally exist as diatomic molecules can be identified as Generally halogens…

Q: A new transition metal, bartium, has been discovered, which is represented by the chemical symbol…

A:

Q: What is the formula of cadmium oxide?

A:

Q: Which of the following are isotope pairs?

A: an atom has electron, proton, neutron atomic number =number of proton mass number = sum of proton +…

Q: In the formula Al2Se3, what is the charge of the Aluminum and the Selenium?

A: First of all let us analyze the given structure of Al2Se3. The structure has two atoms of aluminium…

Q: Isnt boron just b on the periodic table?

A: The formula of diboron trioxide is determined as shown below,

Q: Horizontal rows in the periodic table are referred to by what two terms?

A: Periodic table is a systematic arrangement of chemical elements on the basis of their electronic…

Q: BARIUM COMBINES WITH SULFATE TO FROM? Which is the formula?

A: Barium cation (Ba2+) and the Sulfate anion (SO42-) forms a salt Barium sulfate(BaSO4), in which…

Q: Give the formula and charge of each of  the following anions:  nitrite, hydroxide, chlorite,…

A:

Q: Is helium nonmetal metal or metal Lois

A:

Q: What is the formula for carbon tetrachloride ?

A:

Q: write formulas for the hydrogen and oxygen compounds of the following elements. Answers should be in…

A: We have to write formulas for the hydrogen and oxygen compounds of the given elements

Q: What is a period in the periodic table? From what does it derive its name?

A: The elements are arranged in a periodic table. The properties of elements have been studied and…

Q: What is the mass of exactly 230 Sodium atoms in amu (atomic mass unit)?

A: Find solution below

Q: Which element is in a different. Then the rest oxygen ,Neon carbon, chlorine

A: The elements can be differentiated on the basis of their chemical reactivities.

Q: What are the formulas of the ions formed by (a) iron, (b) cobalt, (c) mercury, (d) chromium, (e)…

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

Q: 50. Provide the formula for each of the following binary molec- ular compounds. (a) chlorine dioxide…

A: A binary molecular compound are compound which are composed two two different elements and both…