DESCRIBING MATTER
THE ATOM
ELEMENTS
ARRANGING THE ELEMENTS
GROUPING THE ELEMENTS
STATES OF MATTER
CHEMICAL REACTIONS
MOLECULES AND COMPOUNDS
100

What two things are not matter?

Light and Sound

100

What is the size of an atom in nm?

.1nm

100
A pure substance that can not be separated by physical or chemical means is called what?

Element

100

What year was the first periodic table formed?

1869

100

Group 1 is known as what?

Alkali metals
100

An example of plasma is what?

The sun or lightening 

100
The elements that you start with before the chemical reaction are called what?

Reactants

100

When two or more atoms chemically bond together, they form what?

Molecules 

200

Is the following an example of chemical or physical properties:

mass, shape, state of matter

Physical properties

200

Protons have what charge?

Positive

200

Elements that are shiny and good conductors of electric current are called what?

Metals

200

Who came up with the first periodic table?

Dmitri Mendeleev

200

Group 13 is known as what?

Boron group

200

In what state of matter do atoms move the slowest?

Solid

200

In order for chemical reactions to occur what is needed?

Energy

200

A molecule that contains at least two different elements is called what?

Compound

300

Is the following an example of chemical or physical properties:

flammability, reactivity

Chemical Property

300

What particles are in the nucleus of an atom?

Protons and neutrons

300

Elements that have characteristics of both metals and non metals are called what?

Metalloid 

300
Each element is identified by what?

Chemical symbol

300

What is group 17 called?

Halogens

300

An example of evaporation is what?

Sweating 

300
What is the most important endothermic reaction for living things?

Photosynthesis

300

What is an example of a combustion reaction?

Gas stove

400

Is the following an example of a physical or chemical change:

Baking a cake

Chemical change

400

What is the simplest atom?

Hydrogen

400

What element is used in wires and coins?

Copper

400

Columns on the periodic table are called what?

Groups

400

What element is used in batteries and electronics?

Nickel
400

Dry ice is an example of what?

Sublimation

400

Rusting is an example of what type of reaction?

Exothermic

400

What law states that all elements present in the reactants must also be present in the products?

The law of conservation of mass

500

Is the following an example of a physical or chemical change:

Bending a paperclip

Physical change

500

How many protons does oxygen have?

8

500

Elements that can be hammered into thin sheets are said to be what (the answer is not metal)?

Malleable

500

How many periods are there on the periodic table?

7

500

Man made elements are also called what?

Synthetic elements

500
What effects boiling points?

Pressure/elevation

500

Baking is an example of what type of reaction?

Endothermic

500

If there are 6 hydrogen atoms in the reactants, how many hydrogen atoms are there in the product?

6