Periodic Table

Question 1

Periodic Law

Answer 1

• physical and chemical properties are periodic function of their atomic numbers
• when elements are arranged by atomic number, elements with same properties appear at regular intervals

Question 2

Atomic radius

Answer 2

• Determined by edge of orbitsl but since esges are fuzzy, difficult to determine
• 1/2 distance between nuclei of identical atom bonded together

Question 3

Electrostatic attraction

Answer 3

Depends on amount of charge and distance between charges

Question 4

Shielding effect

Answer 4

Full shell of electron shield valence from attractive force of the nucleus

Question 5

Electron affinity

Answer 5

The energy released when an electron is added to a neutral atom

Question 6

Ionization energy

Answer 6

Energy required to remove 1 electron from a neutral atom

Question 7

Electronegativity

Answer 7

Measure of how strongly an atom attracts electrons when it is in a compound

Question 8

Periodic

Answer 8

Contains a repeating pattern