Arsenic (As) has an atomic number of 33 (according to the periodic table).
This means that there are 3 valence electrons. I will assume your question refers to why the 3d electrons of arsenic are not included as valence electrons, since they populate the shells of the atom after the 4s electrons, which are valence electrons. arsenic, Z = 33 d. nickel, Z = 28 check_circle. a.1s2 2s2 3s2 4s2 b.1s2 2s2 2p3 c. 1s2 2s2 2p6 d. 1s2 6. what happens what a bromine atom gains an electron?

Arsenic has 33 protons, 33 electrons and 42 neutrons. Arsenic, As belongs to group 15 (formerly group 5A). noble gases. a. Magnesium iodine Mgl2 b.Potassium selenide K2Se c.Calcium oxide Ca2O2 'd. Concept Introduction: The outermost electrons present in an atom are known as valence electrons.

The number of valence electrons is given by the last digit in the number of the group, i.e. So, let's quickly define core and valence electrons.. Valence: Electrons in the top ward energy level, ones that participate in bonding with other atoms.

For another example..it is common knowledge that carbon has 4 valence electrons.

Interpretation Introduction (a) Interpretation: The total number of valence electrons possessed by the given atom is to be stated. This means that an As Atom in the ground state (not ionized) should have 33 electrons. 8. If I subtract the valence electrons of magnesium from the valence electrons of phosphorus, how many would I have? I believe Arsenic has 5 and Polonium has 6.

5.

all the electrons in the outermost shell. How many protons neutrons and electron are in arsenic? What is a valence electron? How many valence electrons does sodium have? sry i have a few more questions.. 4. for which compound name is the incorrect formula given? So because Arsenic is a group 15 element (15-10 = 5) is has 5 valence electrons. Arsenic has a mass number of 33 with an electron configuration of 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p3.

If I add the valence electrons of sodium and chlorine together, how many would I have? Core: Electrons that are shielded from bonding by the Valence Electrons.

If The element is a nonmetal, you subtract 10 from the group number. The valence electrons are more loosely held than the electrons which are closer to the nucleus. How many valence electrons would bromine have?

Expert Solution.

Then the answer is the option C. 5. To get the number of valence electrons of an element..You look at their group number.

3. Check out the Dynamic Periodic Table's web site. aluminum sulfide Al2S3 5. which electron configuration represents a nitride ion? It is in group 14 of the periodic table hence 14-10=4. 7. This is because in arsenic, the outer shell is the fourth shell, and it contains the valence electrons.


Arsenic has a total of 33 electrons, 33 protons and 42 neutrons.

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