Hard, shiny solid and is a good conductor of heat and electricity.
What is a metal?
The electrons in the outermost shell
What are valence electrons?
Brittle, not malleable or ductile and is a poor conductor of heat and electricity.
What is a non-metal?
What is the electron arrangement of Oxygen in the ground state
What is 2-6?
What is Mercury?
Shares some properties of metals and some of non-metals; located along the Periodic Staircase.
What is a metalloid?
Where electrons are located according to the quantum mechanical model
What are orbital clouds?
Poisonous heavy metal with symbol Pb?
What is lead
Arrange the elements by the number of electrons that are in the outer shell
What is a group or famliy?
Has the same mass as a proton
What is neutron?
Symbol Au, is used to, make jewelry and is atomic number 79
What is gold?
Separate elements based on their energy levels.
What is a period?
State in which electrons absorb jump up an energy level
What is an excited state?
The symbol for a toxic mettaloid that killed the people in Jonestown?
What is As?
This non-metal has the same number of valence electrons as Oxygen and has an atomic mass less than Selenium.
What is Sulfur(S)?