The smallest particle that still can be considered an element.
What is an atom?
An atom of group of atoms that has either a positive or negative charge.
What is an ion?
Is made of two or more substances.
What is a mixture?
Matter is neither created or destroyed.
What is law of conservation of mass?
A place or object used for comparison to determine whether something is in motion.
What is a reference point?
Contains negatively charged particles.
What is an electron?
What is an ionic bond?
A mixture with particles that can be seem and easily separated by settling or filtration.
What is a suspension?
Where matter can enter and escape.
What is open system?
A contact force that two surfaces exert on each other when they rub against each other.
What is friction?
A dense positive charge at its center.
What is a nucleus?
When two atoms share electrons.
What is a covalent bond?
Paint, whipped cream, fog, and smoke.
What are colloid?
What is litmus paper?
The speed at which an object travels in a given direction.
What is velocity?
The positively-charged particle in an atom's nucleus.
What is a proton?
A covalent bond in which electrons are shared equally.
What is a nonpolar bond?
The substance dissolved by the solvent.
What is solute?
Energy is released as the products form is greater than the energy required to break the bonds of the reactants.
What is exothermic reaction?
Resistance to change in motion.
What is inertia?
Has no electric charge.
What is a neutron?
An atom made of more than 1 atom.
What is a polyatomic ion?
The measure of how much solute will dissolve in a solvent, comes into play.
What is solubility?
A change that alters the form or appearance of a substance without changing it into a different substance.
What is a physical change?
An object at rest will remain at rest unless acted upon by a nonzero net force.
What is Newton's First Law?