Which is true of an element?(1 point)
Responses
has a unique number of protons; if the element were to lose a proton, it would become a different element
has a unique number of protons; if the element were to lose a proton, it would become a different element
can be made up of multiple types of atoms
can be made up of multiple types of atoms
can be either a compound or a molecule
can be either a compound or a molecule
has a unique number of electrons; if the element were to lose an electron, it would become a different element
has a unique number of protons; if the element were to lose a proton, it would become a different element
Two different types of elements are combined so that they look like one substance, but they are not bonded together. What could the result be?(1 point)
Responses
a solution
a solution
an element
an element
a compound
a compound
a heterogenous mixture
a heterogenous mixture
Elements can chemically combine with other elements to form which of the following?(1 point)
Responses
other elements
other elements
impure substances
impure substances
compounds
compounds
solutions
compounds
Two different chemicals react and bond together. What do they become?(1 point)
Responses
a mixture
a mixture
a compound
a compound
an element
an element
a solution