Chemical Properties
True or False: Physical properties can be predicted from an element's position in the periodic table.
True
How many valence electrons do elements in Group 1 have?
1 Valence Electron
What happens when an atom gains an electron?
Become a anion or a negatively charged atom
What is the atomic number of Carbon?
12
Which element in period 2 has the most mass?
Neon
True or False: Elements in the same family have the same number of valence electrons.
True
What is a positive ion called?
Cation
Which region of the periodic table contain the Alkaline Earth Metals?
Group 2
What is the octet rule?
That elements want to have a full outermost energy level of 8 electrons
What is the significance of valence electrons
They determine how likely an atom is willing to bond with another atom
How many protons does Ms. Overton have? ( She is dressed as an element today).
58 Protons
Which group contains the Alkali Metals?
Group 1
Name a metal that WAS commonly used in thermometers.
Mercury
Which group is known for having 7 valence electrons
Halogens family or Group 17
Which category of elements is commonly used to make computer chips and solar cells due to their ability to conduct electricity only under certain conditions?
metalloids
Name a metalloid in the fourth period
Germanium or Arsenic
True or False: All nonmetals on the periodic table are gases.
False
True or False: Strontium is classified as a Halogen
False
What category of elements have the property of being malleable and ductile?
Metals
What element is in period 5 and is a Halogen?
Iodine