Exam With 100% Correct Answers 2024
Atom - Correct Answer- the smallest particle of an element
that retains its identity in a chemical reaction
Matter - Correct Answer- Anything that has mass and takes up
space
Solid - Correct Answer- A form of matter that has a definite
shape and volume; strong ionic bonds
liquid - Correct Answer- A state of matter that has no definite
shape but has a definite volume.
Gas - Correct Answer- A state of matter with no definite shape
or volume
Mixture - Correct Answer- A combination of two or more
substances that are not chemically combined
, heterogeneous mixture - Correct Answer- A mixture in which
different materials can be distinguished easily
homogeneous mixture - Correct Answer- A mixture in which
substances are evenly distributed throughout the mixture
Compound - Correct Answer- A substance made up of atoms
of two or more different elements joined by chemical bonds.
Can be separated by chemical means
Molecule - Correct Answer- A group of atoms bonded together
Element - Correct Answer- A pure substance made of only one
kind of atom
ionic bond - Correct Answer- Formed when one or more
electrons are transferred from one atom to another
Proton - Correct Answer- positively charged particle
Neutron - Correct Answer- A subatomic particle that has no
charge and that is found in the nucleus of an atom