Who was the French chemist who classified elements into groups such as metals, nonmetals, gases, & earths?
What is Antoine Lavoisier or Antoine L?
What did Mendeleev organize?
What is elements?
What number is used to arrange elements in the modern periodic table?
What is atomic number?
Which type of element is usually shiny and a good conductor of electricity?
What is metals?
What are the electrons in the highest occupied energy level called?
What is valence electrons?
Which scientist developed an approach for organizing the elements?
What is Dmitri Mendeleev?
How did Mendeleev arrange the elements in his table?
What is By increasing relative mass and similar properties?
What does atomic number tell you?
What is the number of protons?
Which class of elements is usually a good conductor of heat and electricity?
What is metals?
What family is found in Group 1?
What is alkali metals?
What are the three major classes of elements?
What is metals, nonmetals, and metalloids?
What did Mendeleev leave in his table for elements that had not been discovered yet?
What is blank spaces?
What is the name of the repeating pattern of element properties?
What is the periodic law?
Which class has properties of both metals and nonmetals?
What are metalloids?
What family is found in Group 2?
What is Alkali Earth Metals?
What did scientists use to group elements?
Why did Mendeleev leave blank spaces in his table?
What is to predict that undiscovered elements would fit in those spaces?
What is an isotope?
What is atoms of the same element with different numbers of neutrons?
Which class of elements is usually poor conductors of heat and electricity?
What are nonmetals?
What family is found in Group 7A (17)?
What are halogens?
What element did Paul Emile-Lecoq de Boisbaudran name in honor of France?
What is gallium (Ga)?
What did Mendeleev leave in his table for elements that had not been discovered yet?
What is gallium and scandium
Which isotope is used as the standard for comparing the masses of other atoms (amu)?
What is Carbon-12?
Name one property of metals.
What is good conductors/malleable/ductile/shiny?
What family is found in Group 8A (18)?
What are noble gases?