Exam 2 Flashcards
How can you tell the groups on the periodic table? And what do they stand for?
They are the vertical columns and the amount of electrons on the outer shell
How can you tell the periods on the periodic table? And what do they stand for?
They are the horizontal rows and the amount of shells an element has
What makes up metal?
an element that has luster, thermal conductivity, electrical conductivity, and malleability
What makes up a non metal?
The opposite of metal
What indicates a full valence shell?
When there are 8 electrons in it
What indicates a covalent bond?
When electrons ARE SHARED
What indicates an ionic bond?
gaining or losing an electron is an ionic bond
how many electrons can the inner most shell have?
2
What is a positive ion called?
cation
What is a negative ion called?
anion
What happens when an atom loses an electron?
It turns positive (into a cation)
What happens when an atom gains an electron?
It turns negative (into an anion)
What is a key factor in deciding if it is an ionic bond or a covalent bond?
Ionic bonds are non metal and metal elements bonding together and covalent bonds are nonmetal and nonmetal elements bonding together
What is the lewis symbol?
Where the dots are shown around the element number
What is the chemical name for CH4?
methane
What is the chemical name for H2O2?
hydrogen peroxide
What is the chemical name for H2O?
water
What is the chemical name for NH3?
ammonia
What is the chemical name for N2O?
nitrous oxide
What bond do polyatomic ions use?
covalent bonds