11 questions
Energy levels are denoted by:
letters
numbers
a combination of letters and numbers
subscripts
Which of the following is not a correct designation for a sublevel?
zz
p
d
f
The third energy level can hold at most how many electrons?
2
8
18
32
Which area on the periodic table represents the electrons in the "d" sublevel?
representative elements
columns 3-8
rare earth elements
transition elements
Each row on the periodic table represents:
an energy level
a sublevel
an electron
an orbital
How many valence electrons does phosphorus have and in which sublevel(s) are they found?
3; p
5; s and p
2; s
3; s and p
Which of the following is the electron configuration for an alkali earth metal?
1s22s1
1s22s22p1
1s22s22p5
1s22s22p63s2
How many electrons at most are in the 4f sublevel?
10
8
18
14
The following electron configuration is for which element?
1s22s22p63s23p64s23d10
Cu
Zn
Cd
Ga
Choose the correct shortcut configuration for iodine.
[Ar]4s24d104p5
[Kr]5s24d105p5
[Xe]5s25d105p5
none of the above
How many valence electrons are in this element? AND identify the element.
1s22s22p63s23p64s23d104p65s24d105p66s25d14f145d2
11; Hf
2; Ba
3; La
2; Ta