Part 2 Flashcards
What are two or more atoms held together by chemical bonds called?
A molecule is two or more atoms held together by chemical bonds.
What are two or more different kinds of atoms chemically bonded together called?
A compound is two or more different kinds of atoms chemically bonded together.
Which type of mixture has solute particles that are larger than in a solution and scatter light, do not settle out, and are heterogenous mixtures.
A colloid (emulsion) mixture has solute particles that are larger than in a solution and scatter light, do not settle out, and are heterogenous mixtures.
What type of mixture has large solute particles that settle out, and may scatter light?
Suspension mixtures have large solute particles that settle out, and may scatter light.
What is a molecule?
A molecule is two or more atoms held together by chemical bonds.
What is a compound?
A compound is two or more different kinds of atoms chemically bonded together.
Does chemical bonding take place in mixtures?
No, chemical bonding does not take place in mixtures.
Can most mixtures be separated by physical means?
yes, most mixtures can be separated by physical means.
Can mixtures be both heterogenous and homogenous?
yes, mixtures can be both heterogenous and homogenous
Can compounds be separated by physical means?
No, compounds cannot be separated by physical means.
Are all compounds homogenous?
Yes, all compounds are homogenous
_______ have their outermost energy level fully occupied by electrons.
Inert elements have their outermost energy level fully occupied by electrons.
For example, helium and neon
_______ do not have their outermost energy level fully occupied by electrons.
Reactive elements do not have their outermost energy level fully occupied by electrons.
More
An atom with 13 electrons has how many shells?
3 shells
What are the three types of chemical bonds?
covalent, hydrogen, and ionic
