As you move from left to right across the periodic table, the number of valence electrons in an atom by 1. O increases O decreases

Q: (After transferring 2 electrons, atom forms a X 2+ ion containing 10 electrons.) Identify element X…

A: Atomic number is equivalent to number of electrons or number of protons in neutral element, that is…

Q: Give the formula of a negative ion that would have the same number of electrons as: a)Sodium…

A:

Q: How many valence electrons does each of the following atoms have? (a)…

A: The electrons which are present in the last shell are named as valence shell electrons.

Q: ion formed when a single atom of copper loses 1 electron

A: Ions are chemical species formed after losing or accepting electrons. The number of electrons any…

Q: Draw the Lewis structures for each of the following ions or molecules. Give the number of electrons…

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Q: Determine the number of electrons that the four elements below require (gain) to obtain an octet of…

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Q: By gaining 2 electrons, a sulfur atom attains an electron arrangement like that of the noble gas…

A: Given statement is that sulfur atom attains an electronic arrangement like that of noble gas argon.

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: State the number of valence electrons for each of the following elements. (a) H     (b) B (c) N.…

A: As each atom has a fix number of electrons present in its shells that number is also known as the…

Q: Predict the chemical formula for the ionic compound formed by the elements K and S

A: given , elements potassium and sulfur  For writing the chemical formula of ionic compound cation…

Q: How many electrons are in hydrogen

A: Given element,       Hydrogen (H)

Q: Determine the number of electrons that must be lost or gained by the following atoms in order to…

A: We have to calculate the number of electrons require to attain nearest noble gas configuration.

Q: Before we begin writing the chemical formulas and naming of ionic compounds Draw the Lewis Dot…

A: here is the lewis structure of H2O

Q: What are the formulas of the compounds formed from the following ions: (a) Ca2+ and Br (b) Ca²+ and…

A: Ionic compound is a chemical compound composed of ions held together by electrostatic forces termed…

Q: Which properties decrease as you go left to right in a period and increases as you go down a column…

A:

Q: Which element has the fewest number of electrons in its valence shell? Li Co Са ON

A: Answer 1)  Valence shell electrons : are those electrons which are present in the highest principle…

Q: Starting with the previous noble gas, write the condensed electron configurations of the following…

A:

Q: 3. During the formation of ionic bonds, with which noble gas does boron become isoelectronic with?…

A: #3: Boron(B) is a group-13 element with atomic number 5.  The electronic configuration of B(5…

Q: How many valence electrons are in the neutral element sodium? 11 O 2 0 5

A: Valance electrons :- The number of electrons present in outermost orbit of an atom are called…

Q: For each of the following species, give the total number of electrons, the number of electrons in…

A: Atomic number of Sb = 51 Electronic configuration of Sb is

Q: presented by Macmillan Lear Write the chemical formula for the compound formed by each pair of…

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Q: 3. Identify the group number, the number of valence electrons (outermost electrons) and draw the…

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Q: predict the chemical formula for the ionic compound formed by the elements al and l

A: When an atom donates its electrons completely to another atom and form a chemical bond is known as…

Q: A neutral oxygen atom has eight electrons. How many electrons does O²⁻­‐ have

A: Oxygen has 8 electrons and its atomic mass is 16 g/mol.

Q: 15) Write the formulas of the following compound: potassium phosphide A) КЗР в) КР C) K2P 16)…

A: Formula of potassium phosphide ?

Q: Element Number of Valence Electrons Lewis Dot Symbol 1 4. lodine 5. Carbon 6. Barium 7. Selenium 8.…

A: The symbols of the elements are as follows: Iodine – I Carbon- C Barium – Ba Selenium -Se Silicon-Si…

Q: Write an equation that shows the formation of a aluminum ion from a neutral aluminum atom. Represent…

A: Here, we have to write the equation that shows the formation of an aluminium ion from a neutral…

Q: List the charge obtained by the following elements when they form ions: F Al P Ca…

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Q: What happens to the structure of an atom to change it into an ion? Thanmos

A: In the given question we have to find that when an ion is formed from an atom, what will be changes…

Q: Give the IUPAC name or correct chemical formula for the following compounds name compounds in all…

A: Cu(CN)2 in Latin – cupric cyanide  mercury (I) dichromate – Hg2Cr2O7

Q: For each of the following atoms, determine the minimum number of electrons the atom needs to gain,…

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Q: Element X has an atomic number of 14. Which of the following Lewis dot symbol best represents…

A: We have to predict option which best represent Lewis symbol.

Q: Determine the number of valence electrons in each of the neutral atoms. carbon: nitrogen: охудen:…

A: Valence electrons are the electrons in the outermost shell of an atom.

Q: (e) Draw a diagram that shows the arrangement of the valency electrons in the ionic compound sodíum…

A: The Sodium phosphide has the following molecular formula Na3P.

Q: How many valence electrons are found in PH3?

A:

Q: Water molecules contain partial positive and negative charges due to the differences in affinity for…

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

Q: Number of Electron-dot Group Number Element Name Valence Symbol electrons F Br C N Cl

A: For these elements , each property is given using periodic table.  Electron dor structure is drawn…

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: How many electrons does each of the following elements have in its outermost electron shell? Draw…

A: Applying lewis dot structure of elements.

Q: Write the valence shell and valence electrons of the following atoms: Calcium (Ca): Valence Shell…

A: valence shell, n = 4 Valence electrons = 2

Q: Use the electron-dot symbols to write the equation for the formation of the ionic compounds from…

A: The electrostatic force of attraction which holds the two oppositely charged ions together is called…

Q: For each of the following species, give the total number of electrons, the number of electrons in…

A: For neutral atoms number of electrons = Atomic number so for Xe number of electrons =54 For Cations…

Q: Predict the chemical formula for the ionic compound formed by the elements Ag and N

A: Silver will form a 1+ ion. Nitrogen will form a 3- ion.

Q: ionic bonds are formed only between metals and nonmetals True False

A:

Q: (b) A new element, "X", is discovered and found to have 2 electrons in its outer level. Is X a metal…

A: Given that - New discovered element , with symbol of "X" has 2 electrons in it's outermost Valence…

Q: Determine the number of valence electrons in each of the neutral atoms. a) Carbon b) Nitrogen  c)…

A: Valence shell electrons are the outer most shell electrons that associated with an atom. These…

Q: What happens to the radius of an atom when it becomes a cation? An anion? Sizes of atoms and their…

A: An anion is a species which is negatively charged whereas a cation is a species which is positively…

Q: MCQ 76: In CO, molecule, the number of electrons in valence shell around the Carbon atom are A. 2 B.…

A: Valence shell electrons are the electrons which are present in its outermost shell of the atom.