Elements and Molecules
What is the atomic number of sulfur? (everyone answers)
16
The Periodic Table of Elements was created by
Dmitri Mendeleev
What are the three coinage metals?
Gold, Silver and Copper
What are the three states of matter? (everyone answers)
Solid, liquid and gas
What are the elements in CaO.
Calcium and Oxygen
Columns are know as ________ or ___________. Rows are known as______________.
Families, groups, periods
Metals generally occur in this state:
solid
What is Matter? (everyone answers)
Particles with mass and volume that make up everything
What element is in Period 5 and Group 4 of the periodic table? (everyone answers)
Zirconium
The Halogens can be found in which column? (everyone answers)
17
What is the difference between a mineral and an ore?
A mineral is a solid pure substance that occurs naturally in the Earth's crust. An ore is a chunk of rock that contains minerals.
__________ is a gaseous envelope surrounding the planet. _________ is a continuous layer of water on or just under the Earth's crust.
Atmosphere, Hydrosphere
Mg3N2 has ____ (number) ______ (name) atoms and _____ (number) ______ (name) atoms
3, Magnesium, 2, Nitrogen
What is the name of the family of non-reactive elements? What column can they be found in?
Noble gases, 18
What is metallurgy?
The science and technology of retrieving metallic elements and making them useful.
_____is the most abundent element in the Earth's crust (everyone answers)
Oxygen
What is the total number of atoms in C6H12O6? (everyone answers)
24
The periodic table is arranged by.... (everyone answers)
Increasing atomic number
__________ is a _________ change that involves eliminating rock from ore. __________ is a __________ change that involves discarding unwanted materials to release a metal from a mineral in a pure form. (everyone answers)
Concentration, physical, Decomposition, chemical
What are three differences between metals and non-metals? (everyone answers)
1. Metals are solid at room temp, non-metals are not always 2. Metals are shiny, non-metals are not, 3. Metals are good conductors, non metals are not. 4. Metals and malleable and ductile, nonmetals are brittle and not ductile.