Chemistry Fundamentals Quiz

False (B)

Matter is a physical substance that has mass and occupies space.

<p>state</p> Signup and view all the answers

<p>Matter = Power derived from chemical or physical resources Energy = A physical condition determined by molecular structure State = A physical substance which has mass, and occupies space</p> Signup and view all the answers

<p>Ductility (D)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Freezing point</p> Signup and view all the answers

<p>solubility</p> Signup and view all the answers

<p>Malleability = The temperature at which a substance boils or condenses Ductility = Ability to conduct heat or electricity Boiling Point = Ability to be beaten or rolled into sheets without crumbling Conductivity = Ability to be stretched without breaking</p> Signup and view all the answers

<p>Sand and water (D)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Smelting</p> Signup and view all the answers

<p>annealing</p> Signup and view all the answers

<p>Grinding (B)</p> Signup and view all the answers

<p>J.J. Thomson (C)</p> Signup and view all the answers

<p>Homogeneous = Components are visible and can be easily separated Heterogeneous = Appears to be made of one substance and looks the same throughout Suspension = Particles are dispersed throughout a fluid and can be filtered out Colloid = Particles are suspended and cannot be easily filtered out, looks like one substance</p> Signup and view all the answers

<p>True (A)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Nucleus</p> Signup and view all the answers

<p>Living things can arise from non-living matter.</p> Signup and view all the answers

<p>orbits</p> Signup and view all the answers

<p>John Dalton = Billiard Ball Model J.J. Thomson = Raisin Bun Model Ernest Rutherford = Planetary Model Niels Bohr = Bohr Model</p> Signup and view all the answers

<p>Atoms can be created or destroyed (B)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Gold foil experiment</p> Signup and view all the answers

The branch of science that studies substances, their properties, and how they change.

A physical substance that has mass and occupies space.

Power derived from chemical or physical resources.

A physical condition determined by molecular structure.

Forms of matter with a consistent composition and properties.

The temperature at which a substance boils or condenses.

The temperature at which a substance freezes or melts.

Ability to be beaten or rolled into sheets without crumbling.

Ability to be stretched into wires without breaking.

Existence as a solid, liquid, or gas.

Magnetic attraction between objects.

Ability of a substance to dissolve in a solvent.

Combustion resulting in flame, heat, or light.

Vital heat used to explain maggot appearance on meat.

The soul, often linked to vital force in early biology.

John Dalton's model stating atoms are indivisible and unique to elements.

J.J. Thompson's model with positive charge and embedded negative charges.

Ernest Rutherford's model showing atoms with a small, dense nucleus and orbiting electrons.

Niels Bohr's model where electrons exist in specific orbits around the nucleus.

Electrons emit light when falling to lower energy levels, creating different colors.

Modern model defining electron positions using mathematical probabilities.

Substances made of two or more elements chemically combined in specific ratios.

Contain two or more pure substances that are not chemically combined.

Appear uniform throughout; components are indistinguishable (like sugar in water).

Have visibly different components (like sand in water).

Processes that form new substances with new properties and release or absorb energy.

Heating metal to make it stronger and less brittle.

Process of extracting metals from their compounds by heating.

The idea that living things arise from non-living matter, proposed by Aristotle.