ELECTRON IN ATOM

The electronic configuration of an atom is 1s2; 2s2; 2p6. The number of electrons in the atom is

Write the electronic configuration for sodium Na (Z=11)

Put the following in order of increasing ionization energy: Neon, Lithium, Carbon

Ionisation energy is

When across a period, the atomic size decreases so the first IE ___________.

Use an electron configuration to determine the total number of electrons in the 3rd energy level (n=3) in a titanium atom (Z = 22).

What is electronic configuration for Al3+? (Z = 13)

The atomic number tells you...

How many unpaired electron of electronic configuration for Sulphur, S (Z=16)

What is the simple electronic configuration (using its shell) of Lithium?

What atom matches this electron configuration? 1s2; 2s2; 2p6; 3s2; 3p6; 4s2; 3d10

When going down a group, the atomic size increases so the first IE __________.

Which of the following is true for alkaline earth metals as their atomic number increases? A. The atomic radius decreases. B. Ionization energy decreases. C. The number of valence electrons increases

What element has the electronic configuration: [Xe] 6s2; 4f14; 5d10

What is the electronic configuration of a potassium atom (using the order of its orbital)?

Which two particles are contained in the nucleus of an atom?

the number of protons

How many electrons does Si contain?

Determine the element that has valence electron 3s2; 3p1

Factors affecting the ionisation energy:

State the valence electronic configuration for Mg (Z=12)

What electron configuration matches an oxygen atom?

How many electrons can the first energy level hold?

What atom matches this electron configuration? 1s2; 2s2; 2p6; 3s2