Characteristics of matter

What is the density of water?

- 1/g/cm 3

How many elements are known?

-118

In the formula CaCO 3 are ? atom(s) of oxygen, ? atom(s) of calcium, and ? atom(s) of carbon.

-3 -1 -1

What is the density of an 800 gram object that occupies 200 cm 3 ?

-4/g/cm 3

Elements contain ? of the same kind.

-Atoms

The Nobel Prize was won by ? for finding that electrons in the atom stay in specific ?

-Bohr -Orbits

Electrolysis

-Breaks down water using electricity

The water underneath the floating object exerts a push or force called ? that holds it up.

-Buoyancy

Substances made of two or more chemically bonded elements are called ?

-Compounds

The orderly arrangement of everything in the universe, from atoms to galaxies, provides evidence in favor of _____.

-Creation -intelligent design

Paper and cork float on water because they have low ?

-Density

Some physical properties of matter include:

-Density -Color -Luster -Taste

The elements for the equation for density.

-Density = Mass/Volume

The process of splitting a molecule by passing an electric current through a solution of the substance is known as ?

-Electrolysis

The process of electrolysis used to coat objects with metals is called ?

-Electroplating

Substances which are made of just one kind of atom are called ?

-Elements

Density is not a physical property of mas.

-False

Atom

-Found in molecules

Bounding

-Keeps molecules together

Graduated cylinder

-Measures amount of water

Substances made of two or more elements which are not chemically bonded are known as ?

-Mixture

The atmosphere is a(n) _____

-Mixture

The smallest unit of a substance consisting of two or more atoms is a ?

-Molecule

The bond between molecules of a gas is _____.

-None

All matter has a particular set of characteristics known as properties.

-Physical

Electroplating

-Practical use of electrolysis

The first model of an atom was proposed by ? in 1911.

-Rutherford

Molecule

-Small unit of matter

New discoveries of positrons, mesons, neutrinos, and others are usually called ? particles.

-Subatomic

Subscript numbers in a chemical formula indicate _____.

-The number of atoms of each element

Cubic centimeter

-Unit of measure