Mama mo naging late 1666 scientist

Who challenged the 4 element theory of known philosophers during their time?

• Dmitri Mendeleev

• Johann Döbereiner

• Antoine Lavoisier

• John Dalton

Who was the first to try to classify elements into groups of three called triads?

• Henry Moseley

• Johann Döbereiner

• Dmitri Mendeleev

• John Newlands

Who noted that there was a repetition of properties every eighth element when atoms were arranged according to their atomic masses?

• John Newlands

• Antoine Lavoisier

• Dmitri Mendeleev

• John Dalton

Who is considered the father of the modern periodic table?

• John Dalton

• Antoine Lavoisier

• Johann Döbereiner

• Dmitri Mendeleev

Who discovered elements 94 to 102 and reconfigured the periodic table by placing the lanthanide/actinide series at the bottom of the table?

• John Newlands

• Glenn Seaborg

• Henry Moseley

• John Dalton

What is the most metallic element?

• Copper

• Iron

• Gold

• Francium

Which element was named after the State of California and University of California at Berkeley?

• Californium

• Bromine

• Argon

• Helium

Which element is classified as a metalloid?

• Neon

• Germanium

• Molybdenum

• Hydrogen

What is the most reactive nonmetal element?

• Nitrogen

• Chlorine

• Fluorine

• Oxygen

Who arranged the elements in a triad?

• John Dalton

• Antoine Lavoisier

• Johann Döbereiner

• Dmitri Mendeleev