Chemistry Of Life Flashcards
(12 cards)
What is the science that studies elements,their compounds, chemical reactions between elements and compounds, and molecular structure?
CHEMISTRY
Smallest particles of elements that maintain all characteristics of that element, and enter into chemical reactions through electrons?
ATOMS
Protons have what charge?
POSITIVE
What charge do neutrons have?
NEUTRAL
What has a negative charge?
ELECTRONS
What substance who’s atoms all contain the same number of protons and electrons and is electrically neutral?
ELEMENT
What is the element found in all living things?
CARBON
What is a combinatin of the atoms of two or more elements?
COMPOUND
What is a diffrent type of atom of the same element where the number of neutrons in the nucleus varies?
ISOTOPE
When one atoms gains electrons while the other loses one is which type of bond?
IONIC BOND (SEPERATES IN WATER)
What bond forms when atoms share electrons?
COVELANT BOND( THEY DO NOT SEPARATE IN WATER)
What is a weak bond that helps hold water together and binds other molecules into three dimensional shapes?
HYDROGEN BONDS