MY Electron Configurations

What element is this: 1s²2s²2p⁶3s²3p⁶4s²3d³

V

What element? 1s²2s²2p⁶3s²3p⁶4s²3d⁵

Mn

What Element? 1s²2s²2p⁶3s²3p⁶4s²3d⁸

Ni

What Element? 1s²2s²2p⁶3s²3p⁶4s¹3d¹⁰ (careful this is an exception)

Cu

What element? 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p²

Ge

What element? 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

Zn

What Element? [Kr] 5s² 4d¹⁰ 5p³

Sb

What Element? [Ar] 4s² 3d¹⁰ 4p⁵

Br

Tell the number of valence electrons: [Ar] 4s² 3d¹⁰ 4p⁵

7

Tell the number of valence electrons: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁴

6

Tell the number of valence electrons:

1s²2s²2p⁶3s²3p⁶4s²3d¹

2

What element has 4 valence electrons in the 6th energy level?

Pb

What element has 3 valence electrons in the 2nd energy level?

B

How many ORBITALS would be in a "d" sublevel?

5

How many ORBITALS would be in a "p" sublevel?

3

What element changes its electron configuration to the following so it has half-filled or filled sublevels? [Ar] 4s¹3d⁵

Cr

How many neutrons are in Na-25 (Na is atomic number 11)?

14

What would be the charge on an atom of Na that has 10 electrons and 11 protons?

Positive 1

What would be the charge on a Nitrogen atom that has 10 electrons and 7 protons?

Negative 3

What element has 1 valence electron in the 6th energy level?

Cs

What sublevels are valence electrons never located in?

d and f

What sublevels are valence electrons found in?

s and p

What would be the mass of an isotope of Magnesium that has 15 neutrons? (Mg is element 12)

27