Periodic Table

Which element is correctly described?

• Mercury (Hg) is a nonmetal.

• Arsenic (As) is a metalloid.

• Phosphorus (P) is a metal.

• Hydrogen (H) is a metal.

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)

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

What is the significance of metalloids in the periodic table?

• They separate liquids from solids.

• They separate metals from nonmetals.

• They combine elements and compounds.

Tags

NGSS.MS-PS1-1

Which group are the most reactive metals?

• Alkali Metals

• Alkaline Earth Metals

• Transition Metals

• Inner Transition Metals

Which element would be malleable, ductile, and conduct electricity?

• neon (Ne)

• carbon (C)

• chlorine (Cl)

• silver (Ag)

Which element would be a good semiconductor?

• potassium (K)

• germanium (Ge)

• lithium (Li)

• bromine (Br)

Tags

NGSS.HS-PS1-1

Which element would be brittle when solid, NOT malleable and ductile?

• Iron (Fe)

• Uranium (U)

• Sulfur (S)

• Rubidium (Rb)

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Which elements are most likely to react in the same manner in a chemical reaction?

• elements in the same group

• elements in the same period

• elements with similar atomic masses