NathalyN
contestada

Please cheek my answers please i beg you!!!!

A material with chemical and physical properties different than those of the elements from which it is made is:

a solution
a compound -
an element
a mixture

Sterling silver is:

a heterogeneous mixture
colloid
an element
Homogeneous mixture -

Which mixture has the largest particle size?

solution
colloid
compound
suspension -

Which of the following is not true about compounds?

Compounds are combinations of elements that join in specific ratios. -
A specific compound always has the same mass ratio of its components.
Elements can combine in any proportion to form a compound.
Different mass ratios of components mean different compounds.

A concentrated beam of light (laser) cannot pass through this type of mixture without scattering?

element
colloid -
solution
compound

A compound differs from a mixture in that a compound always has a:

fixed composition -
maximum of two components
minimum of three components
variable composition

Classify each of the following as an element, compound, or mixture. ( i need help on these)

mixture

compound

element

Answer
A.
propane gas
B.
soil (dirt)
C.
solid gold coin


A suspension is composed of substances that remain evenly distributed among each other.

True
False -

Chemical compounds can be separated into their component elements by physical means.

True -
False

Molecules can be either positively or negatively charged depending upon their elemental arrangement.

True -
False