Which element atom has three valence electrons

Q: What technique should be used to dope an impurity into a metal?

A: Doping is the purposeful introduction of impurities into an inherent semiconductor for the goal of…

Q: How many valence electrons does a silicon atom have? Please choose one: a. one b. 4 c. 0 D. 2nd

A: Valence electrons are the number of electrons present in the outermost shell of an electron.

Q: Consider these atoms: (a) fluorine, F; (b) phosphorus, P; (c) neon, Ne. Rank them, from smallest to…

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Q: Define valence band.

A: Valence band is the range of allowed energy values that are the highest energies an electron can…

Q: To become a positive ion, does an atom lose or gain an electron?

A: Step 1Atoms consists of neutrons, protons and electrons. Out of these, neutrons are neutral…

Q: Differentiate between Cathode and Anode?

A: Cathode and anode

Q: Group 17 (7A), the halogens, includes fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and…

A: Periodic table is divided into five major segments: Metals Non-Metals Metalloids Transition metal…

Q: Give the ion notation for sulfur with 18 electrons

A: Given: The ion of sulphur has 18 electrons.   The atomic number of sulphur is 16, which means that…

Q: The outermost shell is known as.., and electrons that are in orbits farther from nucleus are…

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Q: Which characteristic tells you an element is likely a non-metal? Has a shiny/metallic luster Not a…

A: Which characteristic tells you an element is likely a non-metal  .The non-metals are elements on the…

Q: In which of the following materials electrons can move very easily from one atom to another? О а. а.…

A: In conductive materials, the electrons can move easily but in insulative materials, the electrons…

Q: Calculate the net charge on a substance consisting of a combination of 7.3 * 10^13 protons and 7.6 *…

A: SOlution: Given that combination of 7.3 * 10^13 protons and 7.6 * 10^13 electrons. The elemental…

Q: high melting and boiling points

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Q: Based on their locations on the periodic table, which two elements would you expect to form positive…

A: Boron and aluminum are the two elements which form ions of +3 charge.

Q: Which one of the following is correct about dipole? *

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Q: Use Coulomb’s law to explain why a salt crystal suchas NaCl remains intact in benzene (C6H6) but…

A: According to Coulomb's law, unlike charges attract while like charges repel.

Q: Write the electron configuration and number of valence electrons for the following atoms: a) Lithium…

A: Required : Electronic configuration and number of valence electrons.

Q: A chemical bond that occurs when atoms share electrons is bond. O a magnetic O an ionic O a…

A: Covalent bonds occurs when electrons share by atoms.

Q: Bonds One atom of sodium would most likely form an ionic bond with one atom of: O Sodium can not…

A: In the given figure ,Electronic valency of all elements are given, Hydrogen(H) have valency 1.…

Q: An atom becomes a positive ion because? A) atom is losing some of its electrons B) Atom gains…

A: An atom is considered to be made up of protons and neutrons (which constitute the nucleus) and…

Q: In reactions to form ionic compounds, non- metals generally

A: In reactions to form ionic compounds , non metals generally ? we have to complete above statement

Q: The physical region of interest is divided into elements and element types and appropriate…

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Q: Add Text Here! Add Text Here! 4. An alkali metal in period 4. 5. The most abundant element in air.…

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Q: Sketch the atomic structure of copper and discuss why it is a good conductor and how its structure…

A: Copper is good conductor due to presence of one electron at the outer shell so it conducts easily.…

Q: How many unpaired electrons are present in the isolated carbon atom ( atomic number = 6)' A. none B.…

A: To find: How many unpaired electrons are present in the isolated carbon atom (atomic number = 6).…

Q: Which of these bonds has the greatest polarity (highest percent ionic character)? Si - Se SI-P Si -…

A: We solve this problem by measuring the electronegativity difference of each pair of bond. If the…

Q: a neutral atom gains one or more electrons and is now called a a. negative ion b. positive ion…

A: Answer :-       (a) negative ion  Because  When an an atom gains or loses an electron . The atom is…

Q: Sulfur bonds with Beryllium in an ionic bond to create the stable compound Beryllium Sulfide. After…

A: Sulfur bonds with Beryllium in an ionic bond to create the stable compound Beryllium Sulfide. After…

Q: What results from an unequal sharing of electrons between atoms?

A: Electrons are carriers of charges.

Q: According to the modern atomic theory, how many electrons are found in n = 2?

A: According to modern atomic theory ,nth shell can have maximum  2(n2) electrons.

Q: Question 7 of 20 Based on their locations on the periodic table, which two elements would you expect…

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Q: Charge carriers in a metal are electrons rather than protons. This is due to the fact that electrons…

A: Electrons are lighter and away from the nucleus, but none of these characteristics explain why they…

Q: O Valence electrons may be lost, gained, or shared by an atom when bonding occurs with another atom.

A: Option A:is not true, because  valence electron could be found in radioactive or non radioactive…

Q: Add Text Here! 11. The only nonmetal in group I. 12. Responsible for the smell of rotten eggs. Hint:…

A: Periodic table consists an array of rows and columns that contain the elements in increasing order…

Q: A. Valence Electrons and Protons B. Protons and Neutrons C. Protons and Electrons D. Electrons and…

A: Atoms consists of three fundamental particles Electrons protons and neutrons. Protons and neutrons…

Q: Metals are good conductors of electricity because   A) The atoms are lightly packed B) They contain…

A: Electricity is defined as flow of electric charge which means that material can conduct electricity…

Q: Which statement describes the difference between ionic bonds and Van der Waals forces? A. lonic…

A: Answer:(d) Ionic bonds involve the transfer of electrons between ions,while Van deer Waals forces…

Q: Barium ions carry a 2+2+ charge, and nitrogen ions carry a 3−3− charge. What is the chemical…

A: charge on barium = + 2charge on Nitrogen = -3N-3 * Ba+2

Q: What type of bond is occurring between these two Fluorine atoms? O ionic bond O covalent bond O…

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Q: Give the total number of electrons, the number of valence electrons, and the number of shells…

A: a) The distribution of electrons in a different shells of the atom is called as electronic…

Q: How many valence electrons in each?  Neon___ Zinc___ Barium___ Tungsten___

A: Valence electrons in :