elements are made up of one type of atom and compounds are made up of multiple atoms bonded together. Knowing this, how do we classify oxygen gas, which exists as O2?

Q: 5. How many hydrogen atoms in this compound? OH но OH А. 22 В. 23 Agu С. 21 D. 20

A: The given structure is an organic compound.

Q: the symbol of the halogen with the most electrons Express your answer as a chemical symbol. ΑΣφ ?

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Q: The U.S. Environmental Protection Agency (EPA) sets limits on healthful levels of air pollutants.…

A: The number of lead atoms can be calculated as follows:

Q: When you comb your hair on a dry day, your hair sticks to the comb. How could you explain this…

A: Static Electricity is a static or stationary charge produced by friction. It is created when the…

Q: Writing the formulas for the resulting compounds   silicate  selenide  hydrogen sulfate  Iron (iii)…

A: To solve this problem we have to write the formula of the given compound .   We know that the…

Q: Which of the following is a nonmetal? a. Lead b. Boron C. Arsenic O d. Sulfur

A: Metals- These are good conductors of heat and electricity. These are malleable and ductile. These…

Q: :0: What does the diagram represent? A) A neutral oxygen atom B) An oxygen atom with 7 protons C) An…

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: Figure 3. Diatomic molecules of the element chlorine, Cl2. This Figure 4. Molecules of the compound…

A: ⇒All atoms are made up of tiny particles ie,protons,neutrons and electrons⇒A n element is a pure…

Q: What do these four elements have in common? Hydrogen (H) be Oxygen (0) 4e 2e Carbon (C) Na 2e 1e Be…

A: We are given structures of 4 elements we need to describe which thing is common to all.  In an atom…

Q: 1. What are the differences and similarities between an ionic compound and a molecule? Include…

A: (1) There are following differences between ionic compounds and Molecule -  Ionic compounds…

Q: Using triangles to represent one type of atom and circles to represent another type of atom, draw…

A: Given: Using triangles to represent one type of atom and circles to represent another type of atom,…

Q: Which pair of elements would you expect to exhibit the greatest similarity in their physical and…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: why is Classifying Substances as Atomic Elements, Molecular Elements, Molecular Compounds, or Ionic…

A: All the chemical species in the nature exist in several form of compounds i.e molecular…

Q: How many moles of aluminum do 6.00*10^24 aluminum atoms represent?

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Q: Write any three differences between metals and non-metals on the basis of chemical properties?

A: Metals: Metals are the majority elements in the periodic table. They include transition metals,…

Q: 7. Name each of the following compounds: c. KMNO d. K,Cr,O, a. BaSO, b. NANO2

A: Some of the prefixes are used in naming the inorganic molecular compounds, they are listed below.…

Q: Water and sodium chloride are both considered substances as well as compounds, but water exists as…

A: In this question, we have to give the reason why water and sodium chloride are both considered…

Q: 22. As in question 21 determine the mass % of N (nitrogen atoms) in ammonia (NH3), urea (CHẠN2O) and…

A: Mass percent is the mass of the element divided by the mass of the compound or solute.

Q: 0.933 g sample of Nickle metal is heated in the presence of nitrogne gas forming 1.081 grams of a…

A: Empirical formula are the formula which represent simplest ratio of an element present in a given…

Q: Which of the following ionic compounds is incorrectlynamed? (a) Zn1NO322, zinc nitrate (b) TeCl4,…

A: Ionic compounds are compounds formed by the combination of metal and non-metal. Ionic compounds have…

Q: Helium is a noble gas which does not like to make compounds. As it is a lightweight gas, any Helium…

A: Helium is a noble gas, and a very light one at that. Because it is a noble gas, it doesn’t react…

Q: Flake white was a white pigment used by Renaissance artists, which was composed of a combination of…

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Q: Which of the following elements is a metal?   phosphorus nitrogen strontium fluorine argon

A: To find: The element that is metal

Q: 3. What type of substances are magnesium chloride, sodium chloride, and calcium chloride?

A: The question is based on the concept of chemical bonding. we have to identify the nature of…

Q: Write the formula for the following molecular compounds. A) Sulfur hexabromide B) Oxygen…

A: The molecular compound is formed by the sharing of electrons between the atoms. By the sharing of…

Q: Consider the following organic substances, ethanol propane, hexane, and propanol. ) Which of these…

A: The structural formulas of the given molecules are

Q: The formula for europium oxide is Eu2O3. On the basis of this information, the formula for europium…

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Q: 1. Write the following compounds: a. Barium Selenide b. Magnesium phosphide c. Potassium nitride d.…

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Q: 1) A compound has the general formula X2O, with X representing an unknown element or Ion and O…

A: The question says the compound has a general formula X2O, where X is  an unknown element or Ion and…

Q: Give the formula for each of the following compounds: (a) sulfur dichloride, (b) dinitrogen…

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Q: 6. Verify the law of conservation of mass by using relative atomic masses for the following chemical…

A: Given reaction is : BaCl2 + H2SO4 ----------> BaSO4 + 2HCl  Verification of law of conservation…

Q: 1. What is a rule for making a neutral atom which has no charge? 2. What is a rule for making a…

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Q: Which of the following generally occurs in nature as an atomic element and not a molecular element?…

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Q: You are given the following information about an element: atomic number 17, atomie mass= 35.45, and…

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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: 4) Where would you expect to find a stored bottle of H,So, in the laboratory? A) in the storage…

A: Acids are the chemicals that gave H+ ions in a solution/reaction. Bases are the chemicals that gave…

Q: Give the formula for each of the following compounds. (a) sulfur dichloride, (b) dinitrogen…

A: The binary compounds which are formed by the group of 4A-7A elements are named as by adding the…

Q: Does the fact that two elements combine in one-to-one atomic ratio mean that the charges on their…

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Q: In the periodic table, do the chemical properties change more than through a period or through a…

A: Periodic table is table in which the elements are arranged based on there electronic configurations.…

Q: . What are the three types of subatomic particles? Give their names, charges and location in the…

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Q: Which of these statements is not correct according to Dalton's atomic theory? O Elements combine in…

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

Q: if a gold atom has a radius of 145 pm and you could string gold atoms like beads on a thread, how…

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Q: Which of the following compounds is most likely to have parentheses as part of its chemical formula?…

A: We have to find the formula with parenthesis i.e with bracket () The chemical formula of the given…

Q: A certain compound is made up of one phosphorus (P) atom, three bromine (Br) atoms, and one oxygen…

A: The given compound contains one phosphorus atom, three chloride atoms and one oxygen atom. The…

Q: 2. Look at the Periodic Table and answer these questions. a. Do nonmetals form anions or cations? b.…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…