Properties
Changes and States
Atoms
Periodic Table
Metals and Nonmetals
100

What is a physical property?

A characteristic of matter that you can observe or measure without changing the identity of the matter.

100

Is it possible for a substance to exist in more than one state of matter?

Yes. Example: water

100

What is the center of an atom called?

The nucleus.

100

What is a row on the periodic table called?

A period
100
Are most of the elements on the periodic table metals or nonmetals?

Metals

200

Is melting point a size-dependent or size-independent property?

Size-independent

200

A bathroom mirror fogging up when you take a hot shower is an example of what type of state change?

Condensation

200

Where can protons be found in an atom?

The nucleus.

200

What determines where an element is on the periodic table?

Its atomic number.

200

Do nonmetals have high or low conductivity?

Low

300

What is flammability?

The ability of a substance to catch fire.

300

What is it called when a solid changes to a gas?

Sublimation

300

What charges do protons, neutrons, and electrons have?

Protons: positive

Neutrons: neutral

Electrons: negative

300

What is the chemical symbol of silver?

Ag

300

What is luster?

A property that describes a material's ability to reflect light.

400

Is conductivity a physical or chemical property?

Physical

400

What is the main distance between a physical and chemical change?

In a physical change, no new substance forms. In a chemical change, a new substance forms.

400

What is an atom's mass number?

The sum of protons and neutrons in the atom.

400

How many known elements are there?

118

400

What property describes a material's ability to be hammered into thin sheets?

Malleability

500

Is density a size-dependent or size-independent property?

Size-independent

500

True or false: In the process of deposition, thermal energy is added.

False: it is removed.

500

What can you use to identify an element?

Every element has a unique atomic number

500

How many groups are on the periodic table?

18

500

Give two reasons why the properties of gold make using it and advantage.

It is unreactive, malleable, conductive, ductile, and lustrous (must explain why each is advantageous).