TAPRISA part 2

Group 2 elements are called?

• Alkaline earth metals

• Transition metals

• Noble gases

• Halogens

Group 17 elements are called?

• Halogens

• Noble gases

• Alkali metals

• Transition metals

Group 18 elements are called?

• Noble gases

• Alkali metals

• Halogens

• Transition metals

Metals are found on which side of periodic table?

• Left

• Right

• Top

• Bottom

Nonmetals are found on which side?

• Right

• Left

• Top

• Bottom

What property increases across a period (L→R)?

• Electronegativity

• Atomic radius

• Metallic character

• Ionization energy

What decreases across a period?

• Atomic radius

• Ionization energy

• Electronegativity

• Nuclear charge

What increases down a group?

• Atomic size

• Ionization energy

• Electronegativity

• Electron affinity

What is electron configuration of oxygen (Z=8)?

• 1s² 2s² 2p⁴

• 1s² 2s² 2p⁶

• 1s² 2s² 2p²

• 1s² 2s² 2p³

What element has electron configuration 1s² 2s² 2p⁶?

• Neon (Ne)

• Oxygen (O)

• Fluorine (F)

• Sodium (Na)