Periodic Table

Which group of elements are nonreactive due to already being chemically stable?

• Group 17

• Group 1

• Group 2

• Group 18

What are the horizontal rows on the periodic table called?

• Valence electrons

• Elements

• Periods

• Groups

Which classification of elements are shiny, silvery solids and good conductors of heat and electricity?

• Transition metals

• Metalloids

• Nonmetals

• Metals

Which classification of elements are gases or dull brittle solids and poor conductors?

• Transition metals

• Metals

• Nonmetals

• Metalloids

Which classification of elements are solids, semi-conductors, and have physical properties like metals and chemical properties like nonmetals?

• Transition metals

• Metalloids

• Nonmetals

• Metals

Match the following group names:

• Halogens

• Group 3

• Alkaline earth metals

• Group 17

• Rare earth metals

• Group 2

• Alkali metals

• Group 18

• Noble gases

• Group 1

Match the following group names

• Transition metals

• Group16

• Nitrogen group

• Groups 3-12

• Carbon group

• Group 14

• Oxygen group

• Group 13

• Boron group

• Group 15

Organize these options into the right categories

Groups:

(a) Metals

,

(b) Nonmetals

,

(c) Metalloids

• solids

• located ot the left of the metalloids

• good conductors of heat and electricity

• chemical properties like nonmetals

• gases, or dull brittle solids

• physcial properties like metals

• poor conductors

• semi-conductors

• right of the metalloids

• malleable and ductile

• shiny, silvery solids

Match the following to the correct step when drawing a Bohr Model

• 1

• Put the electrons on each level, filling from inside out

• 3

• Determine the number of n⁰ by subtracting mass # - atomic #

• 4

• Determine the number of p⁺ by the element's atomic #

• 2

• Place the p⁺ & n⁰ in the nucleus

• 5

• Use the period number on the periodic table to determine the number of energy levels in the electron cloud

Tags

NGSS.MS-PS1-1

All elements in the same group have the same number of valence electrons

• Yes

• No