SCIENCE DAY4 Flashcards
(85 cards)
building blocks of matter
atom
atom is made up of
protons, neutrons, electrons
non-matter does not occupy space and does not have a mass. examples of non-matter
light, energy
classification of matter made up of ALL THE SAME TYPE OF ATOM or ALL THE SAME MOLECULES and it exhibit exact properties and composition
pure substance
substances that are made up of only ONE TYPE OF ATOM. A PURE SUBSTANCE that cannot be broken down by chemical processes into simpler substances
ELEMENTS
OXYGEN, HYDROGEN, SODIUM are examples of
ELEMENT
what is the 118th ELEMENT
Oganesson (Og)
classification of elements
metals
non-metals
metalloids
classification of elements
usually solid and are good conductor of heat and electricity, e.g., copper or iron
metals
metals exist as solid except for
mercury and gallium
classification of elements
a poor conductor of heat and electricity
(oxygen, carbon, bromine, sulfur
non-metals
classification of elements
have both properties of metals and non-metals (semi-metals)
metalloids
substances that are formed by the CHEMICAL COMBINATION OF TWO OR MORE TYPE OF ATOMS
COMPOUNDS
Substance that CAN BE BROKEN DOWN by chemical processes into simpler substance
COMPOUNDS
water H2O, carbon dioxide CO2 are examples of
COMPOUNDS
alcohol is a class of organic compound characterized by a _________ bonded to an ________ group
hydroxyl bonded to an alkyl group
found in perfumes and colognes and food coloring
ester
types of chemical bonding
covalent bond
ionic bond
type of chemical bonding
bonding of TWO OR MORE NON-METALS
examples: H2O, CH4, CO2
COVALENT BOND
type of chemical bonding
bonding between METALS and NON-METALS
examples: NaCl (sodium chloride) NaF (Sodium Fluoride)
IONIC BOND
a type of matter consisting two or more different substances that have been combined WITHOUT CHEMICAL BONDING taking place, just a physical combination
mixture
type of mixture that has a single phase
homogenous mixture
type of mixture that are visually distinguished
heterogenous mixture
under heterogenous mixture:
contains particles that DO NOT SETTLE
COLLOID