WorksheetsScivega chem
Total questions: 23
Worksheet time: 50mins
corosive
harmful
dangerous
oxidizing
flamable
corosive
harmful
dangerous
oxidizing
flamable
furnace
hotair oven
incubator
autoclave
Refrigerator
furnace
hotair oven
incubator
autoclave
Refrigerator
furnace
hotair oven
incubator
autoclave
Refrigerator
tube
cylinder
erlenmeyer flask
volumetric flask
round flask
tube
cylinder
erlenmeyer flask
volumetric flask
round flask
reagent bottle
BOD bottle
sample bottle
glass bottle
_____________ is the study of matter and how matter changes.
Chemistry
Paleontology
Atoms are made of 3 _________________ particles.
Subterranean
Subatomic
What is the basic particle that makes up an element?
Atom
Cell
Which 2 subatomic particles are found in the nucleus of an atom?
Proton and electron
Proton and neutron
Which subatomic particle has a positive charge?
Electron
Proton
Which subatomic particle has a positive charge?
Electron
Proton
What science resource lists all the elements?
Periodic Table
Microscope Guide
Which phrase best describes a molecule?
Two or more elements bonded together
Two or more compounds in a mixture
Which subatomic particle has a negative charge?
Electron
Neutron
NaCl
พันธะไอออนิก
พันธะโคเวเลนต์
พันธะโลหะ
CH4
พันธะไอออนิก
พันธะโคเวเลนต์
พันธะโลหะ
MgCl2
พันธะไอออนิก
พันธะโคเวเลนต์
พันธะโลหะ
According to the law of conservation of mass...
sometimes atoms are lost
sometimes atoms are gained
atoms are never lost nor gained
atoms are lost and gained
