Hosted by Ms. Schmidt 100 200 400 300 400 Matter AtomsThe Periodic Table ??????? 300 200 400 200 100 500 100.

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Matter Atoms The Periodic Table

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Row 1, Col 1

The measurement of how much matter an object contains

is called…

mass

1,2

What are the positive particlesin an atom called?

What is a proton?

1,3

The columns on the periodic table of elements are called…

Groups or families

1,4

What is the measurement of of the force of gravity on an

object called?

weight

2,1

Name two pieces of evidence that would prove a chemical

Change has taken place.

Odor, heat, light, change in color…

2,2

What are the electrons found in an atom’s outermost energy

level called?

valence electrons

2,3

What group are the most reactive elements found in?

The least reactive?

Alkali metals; noble gases

2,4

What is the density of a ball that has a volume of 30 ml and

a mass of 60 grams?

2 g/ml

3,1

1. Give an example of an endothermic change

2. Give an example of an exothermic change

Ice melting; fireworks

3,2

How do you find the number of neutrons in an element?

Take the element’s atomic mass and subtract the number of protons from it.

3,3

What category (Metals, non-metals, or metalloids) of elements are

the following statements true for?•Usually Solid at room temperature

•ductile and malleable•Good conductors of heat and energy

Metals

3,4

Which type of elements sharescharacteristics of both metals

and nonmetals?

Metalloids

4,1

Describe how you would find The density of an irregular

object.

4,2

How many protons does Carbon have?

6

4,3

What are the two most commonAlkaline Earth Metals?

Calcium and Magnesium

4,4

In the modern periodic table, Elements are arranges by….

Atomic number and properties

5,1

What do we call substances thatcannot be broken down into other substances? (Hint: the

answer is not pure substances)

Elements

5,2

What property of metalloidsmake them useful in computer

Chips?

Varying ability to conduct electricity.

5,3

Which group or family is described by the following

characteristics?•Highly reactive

•Poor conductor of heat and Energy

•7 valence electrons

Halogen Family

5,4

Each family in the periodicTable has its own characteristicProperties bases on the number

of __________

valence electrons

Bonus Question: You may wager some or all of your current

points.• A purebred chicken with white feathers is

crossed with a purebred chicken that has black feathers. Each offspring has both black and white feathers. Why does this happen?