How many valence electrons are associated with a selenium atom? Select one:
a. 2
b. 6
c. 16
d. 28
e. 4
f. 0
How many valence electrons are associated with a selenium atom? Select one: a. 2 b. 6...
which electrons are the valence electrons of the elemental vanadium, elemental selenium and the sulfur atom in a sulfate ion? My question is why does sulfur in sulfate ion have 12 valence electrons? The original is 6.
E) [Ar]3d04s44p 2) How many lone pairs of electrons are on the O atom in OF2? A) 0 B) 1 C) 2 D) 3 3) Which atom in each group (I and II) has the smallest atomic radius? (I) Ca, Ti, Br (II) O, S, Se A) Ca; Se B) Br; Se C) Br; O D) Ca; O 4) How many valence electrons are there in a Bi atom? A) 2 B) 3 C) 4 D) 5 E) 6 5)...
10) How many valence electrons are there in an atom with an electron configuration of 1s 2s 2p 3s 3ps A) 2 B) 3 C) 5 D) 7 E) none of these 11) Consider the element with the electron configuration (Kr]5524d105p. This element is A) a halogen B) a transition metal C) an alkali metal D) an alkaline earth metal E) a noble gas 12) In which set of elements would all members be expected to have very similar chemical...
Chemistry help, please explain how I get these
please
4. Determine how many valence electrons come from each subshell in the following atoms: Atom Pin PO O in PO Total Valence s-electrons p-electrons d-electrons f-electrons Electrons 2 6 a 2 C 2 7 2 o Ir Cf .
How many valence electrons does this atom have?
An atom has the following successive ionization energies (in kJ/mol). How many valence electrons does this atom possess? 1086 2353 4621 6223 37,831 47,277 53,267 120,472 8 7 5 4 3
How many electrons are on the central atom in carbon dioxide? Select one: O a. 5 O b. 8 O c. 10 O d. 18 O e. 32
a) how many valence electrons does a Ni^+2 possess? how many unpaired valence electrons? write its ground state electron configuration. b) which ionic compound is predicted to have the strongest ionic bonding? a) KF b) RbCl c) Rbl d) KBr e)Li
How many electrons in an atom can have quantum numbers n = 3 and m_s = 1/2? A. 1 B. 3 C. 5 D. 9 E. 10 Which set of quantum numbers could correspond to one of the valence electrons in Sr? A. n = 4, l = 1, m_1 = 0 B. n = 4, l = 1, m_1 = 1 C. n = 5, l = 0, m_1 = 0 D. n = 5, l = 0, m_1...
How many valence electrons does an atom of praseodymium, Pr, have? How many unpaired electrons does an atom of Samarium, Sm, have? What is the geometry for the ClO4- ion? What is the bond angle in the ClO4- ion?
how many electrons are there in the valence shell of the carbon atom of a methyl cation, CH3?