Determine the number of valence electrons in each of the following elements. Ba Express your answer as an integer.

Q: Predict the charge of the ion formed by each of the following elements. S  Express your answer as…

A: The charge of the ion formed by each of the following elements:

Q: The periodic table is incomplete. It is possible that newelements will be discovered from…

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

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 robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: We are given relative abundance of two isotopes of Sn. We have to find its average atomic mass.

Q: Which elements would you expect to lose electrons inchemical changes?(a) potassium(b) sulfur(c)…

A: The element will lose or gain electrons in order to get noble gas configuration or fully filled…

Q: what elements are considered a diatomic element?

A: An element is a substance that cannot be broken down into simple components and it is made entirely…

Q: How many valence electrons are in an atom of chlorine? Express your answer numerically. • View…

A: Valence electrons :- The number of electrons present in outermost shell ( valence shell ) of an atom…

Q: How many core electrons are in the Mg atom? Enter a whole number into the box below.

A: The core electrons are the electrons that are present in the shell other than the valence shell of…

Q: Use the notation to represent a tin ion having the same number of electrons as anatom of the isotope…

A: Isotopes: Those species having same number of electron and proton but different number of neutron.…

Q: What makes an atom a positive and a negative ion?

A: Ions are of two types positive and negative ions. Positive ions have a positive charge on them and…

Q: From the experiments of jj thomson which of the following is not one of his conclusions. electrons…

A: The question is based on the concept of atomic structure. We have to identify the conclusion which…

Q: Complete the second row of the table with the number of protons, neutrons, and electrons for 29Si.…

A:

Q: Determine the number of valence electrons for each of the atoms. Enter each answer as a numeral. For…

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

Q: Determine the number of protons and electrons in F^-

A:

Q: Write the symbol for element and classify it as a metal, nonmetal, or metalloid.tin

A: The elements which lie on the left side or middle of the periodic table are classified as metals.…

Q: Choose the best answer for following question. The periodic table provides us with what…

A: The periodic table provides us with what information has to be given.

Q: atomic number for the calcium isotope with 22 neutrons Express your answer as an integer.

A: Isotope : Element with same atomic no. but having different no. of neutrons.

Q: An atom has a mass number of 30 and 16 neutrons. What is the atomic number of this aton Express your…

A:

Q: Determine the number of valence electrons for each of the atoms. Enter each answer as a numeral. For…

A: Valence electron are that electron  which is present in outer most shell and participate in bonding

Q: mass number for the chromium isotope with 29 neutrons Express your answer as an integer.

A: Naturally occurring chromium consists of the following four isotopes: 50Cr, 52Cr, 53Cr and 54Cr. The…

Q: Determine the number of protons and electrons in each of the following. Zn2+

A: The species given is Zn2+.

Q: Please answer 15 Part A

A: Dear student this question is related to mass spectrometry.

Q: Determine the number of valence electrons for each of the following four elements. Part A Al Express…

A: The elements given are Al, Pb and Cl.

Q: Enter the symbol of the element which would have 18 electrons and +1 charge.

A: An atom is a smallest particle which is capable of existing independently. It has equal number of…

Q: What is atomic mass and atomic number? Give me example of how to get electrons neurons and protons?

A: Atomic mass (Mass number) is the sum of the number of protons and neutrons inside the nucleus of an…

Q: Part A Which subatomic particle(s) are found in the nucleus of the atom? Enter the subatomic…

A:

Q: 81 protons and 78 electrons Express your answer as an ion.

A: The number of protons in the nucleus of the atom is equal to the atomic number. The number of…

Q: From the experiments of JJ Thomson, which of the following is not one of his conclusions?   Group of…

A: From the experiments of JJ Thomson, which of the following is not one of his conclusions

Q: Indicate the number of valence electrons in each of the following: Be, Mg, Ca, Sr, and Ba Express…

A: Valence electrons are those electrons  which are present in the outer shell of  an atom, and it can…

Q: what is the A, Z, E, CHARGE, MASS, # OF NUETRONS, PROTONS AND ELECTRONS OF POTASSIUM -40

A: Mass number (A) = number of protons + number of neutrons Atomic number (Z) = number of protons. E =…

Q: Enter the symbol of the element which would have 2 electrons and -1 charge

A: The symbol of the element which would have 2 electrons and -1 charge is to be determined.

Q: An atom has a mass number of 24 and 13 neutrons. What is the atomic number of this atom? Express…

A: For any neutral atom, atomic number is the number of proton present. It is equal to the number of…

Q: Give the number of electrons in an atom of the isotope americium-246.

A: The answer to the following question is given as -

Q: How are the elements in the periodic table arranged based on their increasing atomic number? please…

A: Interpretation: The elements in the periodic table arranged based on their increasing atomic number.

Q: How is the protons, neutrons, and elctrons calculated for chemical Elements. And it the protons and…

A: -> proton + neutron = atomic mass  -> number of proton = atomic number (Always) -> number…

Q: alculate the mass of an X atom, n

A: Given Density = 20.55 g/cm3  edge length of unit cell = 383.9 pm To find out mass and molar mass of…

Q: what is the composed only of carbon,hydrogen, and halogen atoms?

A: The compound having Carbon and hydrogen only is called hydrocarbon. For example, Methane, CH4

Q: Fill in the blanks to determine the number of protons and electrons in an oxygen ion. (Consult the…

A: Hi there, as there are multiple questions posted. We are answering the first question. If you need…

Q: What is the predicted Ionic charge for a Ba ion? How am I supposed to identify this???   Similarly,…

A: The term ionic charge refers to the electric charge carried by an ion by gaining or losing electrons…

Q: Enter your answer in the provided box. Determine the mass number of a sodium atom with 12 neutrons.

A: A question based on atomic structure, which is to be accomplished.

Q: represent the same element?

A: we know,In atom the number of protons and electrons are equal but different neutrons is possible.so…

Q: A neutral atom with 9 protons will have how many electrons?

A:

Q: Why is the magnitude of the charge of the electron so important?

A: An atom is made up of three subatomic particles which are neutrons, protons and electrons. Electrons…

Q: how do I find out the valance electrons, number of neutrons, and protons on an element from the…

A: We have to explain how the valence electrons, number of protons and neutrons can be determined from…

Q: Determine the number of valence electrons for each of the following atoms. Enter each answer as a…

A: valence electrons are the electrons that are present in the outermost shell(also known as the…

Q: How many protons, electrons, and neutrons does the hydrogen atom shown here have? What are the…

A: Given,  Atom = Hydrogen  Number of protons in hydrogen = p = ?  Number of electrons in hydrogen = e…