Explore BrainMass

electron configuration and affinity

This content was STOLEN from BrainMass.com - View the original, and get the already-completed solution here!

1. Entire electron configuration of element 108.

2. Condensed electron configuration of element 84.

3. Write the equation for the process of ionizing K,
a. include the energy in the equation;
b. with the energy separate from the equation (as (triangle symbol H)

4. Write the equation for the process of CL becoming an ion,
a. include the energy in the equation;
b. with the energy separate from the equation (as (triangle symbol H)

© BrainMass Inc. brainmass.com October 24, 2018, 6:35 pm ad1c9bdddf

Solution Preview

1. This is the long way of writing out the electron configuration. You must list all orbitals and electrons present.

For instance ...

Solution Summary

A detailed solution of electron affinity and ionization energy is provided.

See Also This Related BrainMass Solution

Ionization Energy and Electron Affinity Problems

Of the choices below, which gives the order for first ionization energies?

a. Ar > Cl > S > Si > Al
b. Cl > S > Al > Si > Ar
c. Al > Si > S > Cl > Ar
d. Cl > S > Al > Ar > Si

Which of the following has the largest second ionization energy?

a. Na
b. Si
c. Mg
d. P
e. Al

Which equation correctly represents the first ionization of aluminum?

a. Al(g) -> Al-(g) + e-
b. Al+(g) + e- -> Al(g)
c. Al(g) + e- -> Al-(g)
d. Al(g) -> Al+(g) + e-
e. Al-(g) -> Al(g) + e-

In general, as you go across a period in the periodic table from left to right: (1) the atomic radius __________; (2) the electron affinity becomes __________ negative; and (3) the first ionization energy ___________.

a. increases, increasingly, decreases
b. increases, increasingly, increases
c. decreases, decreasingly, increases
d. decreases, decreasingly, decreases
e. decreases, increasingly, increases

Which of the following correctly represents the electron affinity of bromine?

a. Br+(g) + e- -> Br(g)
b. Br2(g) + 2 e- -> 2 Br-(g)
c. Br(g) -> Br+(g) + e-
d. Br(g) + e- -> Br-(g)
e. Br2(g) + e- -> Br-(g)

Which of the following is not a characteristic of metals?

a. Ductility
b. Low ionization energies
c. Acidic oxides
d. Malleability
e. These are all characteristics of metals.

Alkali metals tend to be more reactive than alkaline earth metals because ____________.

a. alkali metals have greater electron affinities
b. alkali metals have lower melting points
c. alkali metals have lower ionization energies
d. alkali metals are not more reactive than alkaline earth metals
e. alkali metals have lower densities

Oxides of the active metals combine with water to form ____________.

a. metal hydrides
b. hydrogen gas
c. metal hydroxides
d. oxygen gas
e. water and a salt

The series that correctly lists from left to right a halogen, an alkaline earth metal, a transition metal, and an active metal is __________.

a. Br, Ba, Cr, Na
b. O, Ca, Ce, Al
c. F, Sr, Fe, Sn
d. S, Sr, Si, Sn
e. Cl, K, V, Mg

Hydrogen is unique among the elements because ____________.

1. It has only one valence electron.
2. It is the only element that can emit an atomic spectrum.
3. Its electron is not at all shielded from its nucleus.
4. It is the lightest element.
5. It is the only element to exist at room temperature as a diatomic gas.

a. 1, 2, 3, 4, & 5
b. 1, 3, & 4
c. 1, 2, 3, & 4
d. 2, 3, & 4
e. 3 & 4

Of the ions below, only _____ has a noble gas electron configuration.

a. K-
b. I+
c. O2+
d. S3-
e. C1-

View Full Posting Details