Electrons & Bonding

The 1st period of the periodic table contains

• the s-block elements only

• the s- and p-block elements only

• the s-, p-, and d-block elements only

• the p-block elements only

Characteristics of METALS - check all that apply.

• Brittle

• Ductile

• Lose valence electrons

• Gain valence electrons

• Malleable

Valence electrons - check all that apply

• inner most electrons

• responsible for an atoms chemical behavior (bonding)

• only found in the s orbitals

• outer most electrons

When an atom gains electrons it

• becomes smaller

• becomes larger

• collapses

• explodes

When a magnesium atom becomes an ion it

• loses 2 electrons

• gains 2 electrons

• gains 2 protons

• loses 2 protons

Ionic Compounds - check all that apply.

• metal + nonmetal

• share valence electrons

• nonmetal + nonmetal

• steal (transfer) valence electrons

All of the following have an octet of electrons except

• Na⁺¹

• N^-1

• Se^-2

• Sr⁺²

Covalent Compounds - check all that apply.

• metal + nonmetal

• share valence electrons

• nonmetal + nonmetal

• steal (transfer) valence electrons

In a single bond between two atoms, the number of shared electrons is

• 2

• 4

• 6

• 8

Which of the following does a ball & stick model reveal about chemical bonds? - check all that apply.

• their presence and type

• What is VSEPR???

• their arrangement in space

• the octet rule