Basics of Chemical Bonding

Atomic number of sodium

• 12

• 13

• 11

• 14

Number of electrons in the outer most orbit of an atom is called

• Valency

• Valence electrons

• Atomic number

• None of the above

'Kernel' according to lewis is

• Atom

• Nucleus and outermost electrons

• Nucleus and innermost electrons

• Nucleus only

What charge would an aluminum ion have?

• 5+

• 3+

• 3-

• 5-

What is an ion with a positive (+) charge called?

• anion

• cation

• molecule

• salt

When an atom loses an electron, it becomes a:

• positive ion

• negative ion

• neutral ion

• neutral atom

Ionic bonds form between:

• two metals

• two nonmetals

• metals and nonmetals

• metalloids

Which types of elements typically become cations?

• nonmetals

• metals

When two atoms share electrons, a chemical bond is formed. This type of bond is called:

• covalent bond

• ionic bond

• metallic bond

• hydrogen bond

What types of atoms make a covalent bond?

• two nonmetals

• a metal and a nonmetal

• two metals

• two metalloids