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1
Matter is anything that has mass and takes up space. It is composed of tiny particles called_ and _
atoms and molecules
2
What are the 3 states of matter
solid liquid gas
3
In this phase, has a definite volume but takes the shape of its container. The particles are less tightly packed than in a solid and can move around each other.
liquid
4
Intermolecular Forces are type forces of _ or _ which act between neighboring particles.
attraction or repulsion
5
What are the three (3) subparticles of an atom?
protons neutrons electrons
6
He is a physicist who first postulate the intermolecular forces.
Johannes Diderik van der Waals
7
In this phase, matter has neither a definite shape nor a definite volume. The particles are far apart and move freely.
gas
8
What properties of matter describe how a substance interacts with other substances and how it can change into something new.
chemical properties
9
A type of physical properties that refers to the mass per unit of a volume substance.
density
10
A type of physical properties that refers to the temperature at which solid changes to liquid.
melting point
11
A type of chemical properties that refers to the degree to which a substance can harm living organisms.
toxicit
12
Dipole-dipole Interaction occurs between_
polar moelcules
13
A type of intermolecular forces that depends on the polarity, size, shape, and distance of the molecules involved.
dipole dipole interaction
14
A type of physical properties that refers to the resistance of a material to deformation.
hardness
15
It refers to a very strong Dipole-dipole interaction that can occurs in polar molecules and responsible for the unusually high boiling point and melting point of water.
hydrogen bonding
16
What intermolecular forces that arise from temporary dipoles created when electrons move around in atoms or molecules.
london dispersion forces
17
What forces are present in all molecules, whether they are polar or nonpolar.
london dispersion forces
18
He is a German American physicist who first described the London Dispersion Forces.
fritz london
19
contains saturated fats, which have stronger London forces due to their more rigid structure.
butter
20
Margarine contains _ fats, which have weaker London forces due to their more _ structure.
unsaturated flexible
21
What are the four (4) types of intermolecular forces.
ion ion interaction dipole dipole interaction hydrogen bonding london dispersion forces
22
A properties of matter that refers to the characteristics of a substance that can be observed or measured without changing its identity.
physical properties