Kerja Lab Lanjut Quiz 2

The orbital quantum number is commonly designated by the letters __ or the numbers __, where n is the corresponding principal quantum number.

• (s,p,d,f); (1,2,3,...n)

• (s,p,d,f); (0,1,2,3..n-1)

• (K,L,M,N,O...); (1,2,3...n)

• (K,L,M,N,O...); (0,1,2,3...n)

The principal quantum number is designated by the letter __.

• p

• P

• q

• n

The orbital quantum number is designated by the lower-case letter __.

• q

• o

• l (lower-case L)

• n

The outermost electrons in an atom are called __ electrons.

• conduction

• conductive

• tensile

• valence

The source of magnetism in Fe is __ __ that gives the atom a net __ moment.

• unpaired; electrons; magnetic

• paired; electrons; electric

• unpaired; protons; electric

• paired; electrons; magnetic

In the Bohr model of the atom, the first shell can contain up to __ electrons.

• 2

• 3

• 4

• 6

In the Bohr model of the atom, the second shell can contain up to __ electrons.

• 2

• 3

• 8

• 4

In the Bohr model of the atom, the third shell can contain up to __ electrons.

• 2

• 4

• 8

• 18

Electrons fill the energy levels of an atom from the lowest-energy orbital shell upwards. On this basis, the first orbital shell to be filled is __.

• 1s

• 1p

• 1d

• 2s

Electrons fill the energy levels of an atom from the lowest-energy orbital shell upwards. On this basis, the second orbital shell to be filled is __.

• 1s

• 2s

• 1p

• 1d