Periodic Table & Bonding

Identify the type of element that is a semiconductor, malleable, & has no luster. 

• metal
• nonmetal
• metalloid
• not enough info

Which of the following most likely describes a Group 2 element?

• brittle

• good conductor of heat

• gas at room temperature

• poor conductor of electricity

Which element belongs to the most reactive family of metals, reacts violently with water, is solid at room temp, & has 4 energy levels?

• Potassium (K)
• Calcium (Ca)
• Rubidium (Rb)
• Bromine (Br)

Which family of elements are extremely reactive nonmetals with 7 valence electrons?

• Group 1 (alkali metals)

• Group 18 (noble gases)

• Group 17 (halogens)

• Group 2 (alkaline earth metals)

Which family of elements are inert (nonreactive) because they have a full energy level?

• Group 1 (alkali metals)

• Group 18 (noble gases)

• Group 17 (halogens)

• Group 2 (alkaline earth metals)

Which element has 2 energy levels & 4 valence electrons.

• Silicon (Si)
• Aluminum (Al)
• Nitrogen (N)
• Carbon (C)

Which part of the atom determines how an element interacts in a chemical reaction?

• nucleus

• protons

• all electrons

• valence electrons

Which metal is the most reactive?

• Calcium (Ca)

• Iron (Fe)

• Gold (Au)

• Potassium (K)

Which nonmetal is the most reactive?

• Neon (Ne)

• Iodine (I)

• sulfur (S)

• Nitrogen (N)

Describe a covalent bond.

• metals give away electrons to nonmetals

• nonmetals give away electrons to metals

• a metal & nonmetal share electrons

• 2 nonmetals share electrons