metals
an element whose properties are intermediate between those of metals an nonmetals
metalloids
how do you find density
D=M/V
H
hydrogen
rust on a car
chemical change
[ true or false ] you should always have your goggles on in a lab
true
an element that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
metals
L x W x H
volume
He
helium
cutting wood
physical change
should you put up your hair in a lab[ yes or no ]
yes
an element that is usually brittle, and usually has poor conductivity
nonmetal
mass
the weight of an object
O
oxygen
what is a physical change
changes affecting the form of an object.
should you go into a lab and start toughing everything [ yes or no ]
no
what is silicon
metalloid
the degree of compactness of a substance
Density
s
sulfur
what is a chemical change
when a substance gets formed into another substance and cannot go back to its original form
should you bring open shoes in a lab for example 👡 or 👠
no
what is sulfur
nonmetal
how do you find the density of an irregular object
water displacement
Na
Sodium
burning wood
chemical change
should you be chewing gum in a lab [ yes or no ]
nooo