Groups
Columns
What direction are groups in the periodic table?
Horizontal/Rows
The direction of periods in the periodic table?
Groups 1 and 2.
Which groups are in the s-block?
1s2
What is the electron configuration of Helium?
The distance from the nucleus to the outermost electron shell of an atom that has gained or lost an electron.
Alkali-metals
What is group 1 also known as?
Eight elements
How many elements are in period 2/3?
Groups 13-18.
Which groups are in the p-block?
[Ne]3s23p3
What is the electron configuration of phosphorous?
Half the distance between neighbouring nuclei in a covalent bond.
What is atomic radius?
Halogens
What is group 17 also known as?
Calcium, Nickel, Arsenic
What is period 4?
Groups 3-12.
Which groups are in the d-block?
1s22s22p63s1
What is the electron configuration of Sodium?
The ability of an atom to attract electrons in a covalent bond.
What is electronegativity?
Valence electrons.
What is the group number related to?
Number of occupied electron principal energy levels.
What does the period number relate to?
The elements under the periodic table.
Which elements are in the f-block?
[Kr]5s24d105p2
What is the electron configuration of Tin (Sn)?
The energy required to remove one mole of electrons from one mole of gaseous atoms in their ground state.
What is the first ionization energy of an element?
Atomic Radius and Ionic radius
What increases down a group?
Electronegativity, Electron affinity and Ionization energy change.
What increases across a period?
Helium is an exception.
What element is technically not a part of the p-block?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s¹4d⁵
What is the electron configuration of Molybdenum (Mo)?
The energy change that occurs when one mole of electrons is added to one mole of gaseous atoms.
X(g)+e- ->X-(g)
What is electron affinity?