Periodic Table

Which two elements are in the same period?

• boron (B) and lithium (Li)

• beryllium (Be) and calcium (Ca)

• phosphorus (P) and oxygen(O)

• boron (B) and phosphorus (P)

Which one of the following is a property of an element “magnesium” (Mg in group 2)?

• brittle

• conducts electricity

• not ductile

• both brittle and malleable

An element is found to be…..

This element is most likely a ___.

• Metal

• Non-metal

• Metalloid

• Halogen

Boron (B) is a metalloid because it is a___.

• good conductor of electricity but it is ductile

• poor conductor of electricity but it has dull luster

• good conductor of electricity but it has a shiny,

  metallic luster

• poor conductor of electricity but it has shiny,

  metallic luster

A scientist wants to know

the identity of an unknown

element that she is using in

the laboratory. What

information does she need

to identify this element?

• Atomic Mass

• Number of Protons

• Number of Electrons

• Number of Neutrons

Which element is in the same family as chlorine (Cl) and fluorine (F)?

• hydrogen (H)

• lithium (Li)

• oxygen (O)

• bromine (Br)

Tags

NGSS.MS-PS1-1

Which group are the most reactive metals?

• Alkali Metals

• Alkaline Earth Metals

• Transition Metals

• Inner Transition Metals

A chemist is looking for an element that reacts similarly to the element lithium (Li). Which would be the best choice?

• gold (Au)

• neon (Ne)

• fluorine (F)

• sodium (Na)

Tags

NGSS.MS-PS1-2

Which is the most reactive group of nonmetals?

• Group 1

• Group 5

• Group 17

• Group 18

Which best describes elements that are shiny, malleable, ductile, and good conductors of heat and electricity?

• halogens

• metals

• metalloids

• nonmetals