Which is the most common element in the universe?

Q: Part 4 3 compounds with elements from groups 2A and 5A Part 4 Chel Compund Catlen

A:

Q: What is the maximum number of electrons that can be contained in each of the following ? 

A: a. maximum number of electron in any  orbital is = 2  so , maximum number of electron in 3d orbital…

Q: The majority of known noble gas compounds are those of Xenon. Why?

A: SOLUTION: Step 1: Generally noble gases have fulfilled electronic configuration and they are very…

Q: Decide which element probably forms a compound with oxygen that has a chemical formula most and…

A: The compound formed by oxygen and lithium is lithium oxide (Li2O). 4Li  +  O2  →  2Li2O

Q: what is the chemical formula for potassium phosphate

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

Q: MCQ 118: In the Periodic table, the Alkaline earth metals are found in A. Period II B. Period III C.…

A: Ans C) group 11

Q: Describe the basic organizational feature of the periodic table of the element.

A: The Dimitri Mendeleev gave the modern law of periodic table, which states that the properties of the…

Q: A certain compound is made up of three chlorine atoms, one phosphorus atom, and one oxygen atom.…

A: Given : The compound has  1) 1 oxygen atom i.e 1 O 2) 3 chlorine atoms i.e 3 Cl 3) 1 phosphorous…

Q: Write the chemical formula for krypton dichloride

A: The chemical Formula of Krypton Dichloride can be written as -

Q: Pyridoxine contains 11 hydrogen atoms, 8 carbon atoms, 3 oxygen atoms, and 1 nitrogen atom. What is…

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Q: In the following reaction which sphere represents a metal and which represents anonmetal?

A: Metals are those substances or minerals which forms naturally below the surface of the earth. They…

Q: When an atom gains electrons, ita. forms a negatively charged ion.b. forms a positively charged…

A: Given When an atom gains electrons, ita. forms a negatively charged ion.b. forms a positively…

Q: another

A: An atom consist of electron , proton and neutron. Where electron is negatively charged. Proton is…

Q: Explain Balances on Molecular and Atomic Species?

A: ANSWERE IS DISCUSSED BELOW :

Q: What is the chemical formula for the compound formed between vanadium(III) and fluorine? chemical…

A: The chemical formula of the compound formed between Vanadium (III), fluorine and Vanadium (III) and…

Q: what is the chemical name of the compounds?   Compound: Carbon Trioxide Compound: Phosphorus…

A: Chemical name and chemical formula of following compounds

Q: which is most rare noble gas?

A: The rare gas is a gas that is present in very small amounts in the air. The rare noble gases are…

Q: metal atoms tend to do ?

A: Metal atoms tends to loss electrons to form cation(positively charged.).

Q: Which pair of elements below should be the most similar in chemical properties?   Cs  ,  He I…

A: If element belong to same group then it's chemical properties is mostly same.

Q: the isotope product?

A:

Q: which group of elements is the most reactive which group of elements is the least reactive 

A: Reactivity refers to the ability of an element to participate in chemical bond formation either by…

Q: What are some characteristic properties of elements to the left of the elements along the…

A: The staircase in the periodic table is a dividing line between the metals and nonmetals.  The…

Q: What are the names of the two compounds?

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Q: Why was argon used in light bulbs?  Need periodic table for this answer.

A: Argon is noble gases found in the group (18) do not react with any metal; it means it creates an…

Q: Which of the following elements would have chemical properties similar to Ca   K, Ba, Kr, or Sc

A: Elements from same group have same chemical properties

Q: Fill in the Blank. Identify the what is asked. 11. A representation that shows valence electrons as…

A: 11.  Lewis dot structure     Lewis structure is the representation of a molecule by using only its…

Q: Rank the elements from most reactive to least reactive.

A:

Q: 68. What is the correct chemical formula for aluminum chlorate? O Al3C103 OAICIO3 O Al(CIO3)3…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: Group 2 metals bond with nonmetals

A: Group 2 elements also known as alkaline earth metals has 2 electrons present in their valence shell.

Q: Which element has the highest first IE (а) Н (c) N (b) Не (d) Ne

A: Ionization energy is the energy required to remove the most loosely held electron from the isolated…

Q: What is the electron configuration for Fe?

A: The atomic number of Iron is 26. iron (Fe) is a transition elements.

Q: Which of the following is the proper dot diagram for fluorine? 卡: B O Diagram A O Diagram O Diagram…

A: The solution is as follows :

Q: In metallic bond the atoms donate their electrons .This negative charge in turn _____________ the…

A: surround

Q: what element would you expect to be very stable and unlikely to react with other elements

A: Given property of the elements,       Very stable and unlikely to react with other elements

Q: What atoms tend to be reactive?

A: Elements with one or two electrons short or one or two electron extra in their outemost shell are…

Q: 19) Select the pair of atoms which can form ionic bond between them.   a.   Ca and N   b.…

A:

Q: What is the chemical formula for sodium perchlorate?

A: The chemical formula - It is the representation of the chemical composition  of the compound

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: Which of the elements listed below has a lower ionization energy Strontium Silicon

A: Solution Ionization energies square measure continually positive numbers, as a result of energy…

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

A:

Q: Which are Five Electron Groups?

A: The molecules, such as PCl5, SF4, and ClF3, are the five electron groups. However, the geometries of…

Q: What are cations and anions

A: In Chemistry ions forms from atoms and electrons that have either gained or lost their weight by the…

Q: what is the physical state of element C? what is the physical appearance of element C? what is the…

A:

Q: What is the relationship between an atoms number of electrons and its relative stability

A: The electrons of the outermost energy level determine the energetic stability of the atom and its…

Q: Whats the electron configuration for Sr2+

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Q: Horizontal rows of the periodic table are known as __________. Group of answer choices metalloids…

A: Horizontal rows of the periodic table are known as  Answer :- periods