vocab
luster
shine of reflective surface of metals
definition of a phase change
characteristics of material that can be observed without changing the original substance
What does PPE mean and give me one example
PPE:PERSONAL PROTECTIVE EQUIPMENT
masks, goggles,lab suit, long sleeves
compound
substance made of two or more different elements
what is sudiksha fav color
black and beige and pink (duh)
liquid
form of matter with measurable volume ,no shape; particles slide against each other to move
What is the definition of freezing and sublimation
freezing:liquid to solid
sublimation:solid to gas
what is all three ways chemicals can enter the body?
inhalation
ingestion
Absorption
homogenous mixture
uniform composition
solid
defined shape and volume
suspensions
mixture that forms visible layers over time
definition of condensation
gas to liquid
what are beakers used for?
used to stir mix or heat liquids
collid
particles are intermediate in size
what is the atomic number
number of protons
combustibles
characteristics of material that burns
definition of evaporation and melting
melting:solid to liquid
evap.:liquids to vapor and method for separating solids
graduated cylinder
used for measuring volumes
heterogeneous mixture
composition is not uniform throughout
roman numerals for 10 and 20
10:x
20:xx
particle
small portion of matter
deposition
gas to solid
what is a pipet and scoopful used for?
pipet:measuring volumes of and transfering liquids
scopula:used for transferring solids
solution
a homogenous mixture of 2 or more substances in a single phase
electron shell
electron shell has different energy levels
period(row) is the number of electron shells