Periodic Table
Physical and Chemical Properties and Changes
Chemistry and its Branches
Classifications of Matter
Random
100

The horizontal rows on periodic table are called

periods

100

A change of state is a __________ change

physical

100

The study of carbon-containing compounds is what branch of chemistry?

Organic

100

Type of matter that is uniform throughout with a variable composition

Homogeneous mixture (solution)

100

What is an intensive property?

A property that does not depend on the amount of matter.

200

The vertical columns on the periodic table are called

groups

200

List the three states or phases of matter

Solid, Liquid, and Gas

200

The identification of the components and composition of materials is what branch of chemistry?

Analytical Chemistry

200
A pure substance that cannot be broken down any further

Element

200

What is an extensive property?

A property that depends on the amount of matter.

300
What are the six metalloids?

Boron (B), Silicon (Si), Arsenic (As), Tellurium (Te), Germanium (Ge), Antimony (Sb)

300

Is the following a physical or chemical change?

A piece of ice melts into liquid water.

Physical change

300

The study of properties and changes of matter and their relation to energy is what branch of chemistry?

Physical Chemistry

300

Type of matter that is not uniform throughout

Heterogeneous mixture

300

What element is Group 18, Period 3?

Ar

400

What metal is not a solid at room temperature?

Mercury (Hg)

400

Is the following a physical or chemical change?

Iron rusting

Chemical change

400

The study of substances and processes occurring in living things is what branch of chemistry?

Biochemistry

400

A pure substance that can be broken down further

Compound

400

This type of research is carried out for the sake of increasing knowledge

Basic Research

500
List two properties of a metal

Shiny, good conductors of heat and electricity, ductile, malleable, soft enough to be cut with a knife

500

Classify the following as either physical or chemical properties:

A substance melts at 25 degrees Celcius


A substance reacts with acid


A substance weighs 78.4 g

A substance has a density of 32 g/mL

A substance burns in the presence of oxygen


Physical, Chemical, Physical, Physical, Chemical

500

The use of mathematics and computers to understand the principles behind observed chemical behavior and to design and predict the properties of new compounds is what branch of chemistry?

Theoretical Chemistry

500

Classify the following substances:

Soda with no ice

Bromine

H2O

Tacos

Homogeneous mixture, Element, Compound, Heterogeneous mixture

500

What happens to energy during a physical or chemical change?

It changes form, but is never destroyed.

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