Periodic Table
Periodic Trends
Explain the Periodic Table
pH
Elements and Compounds
100
What number tells you the number of protons and electrons?
Atomic Number
100
What is the 'brain' of the atom?
Nucleus
100

How is the periodic table organized?

Metals and nonmetals 

100

What color does a litmus paper turn when it is in lemon juice (pH 2) 

red

100

How many Elements are in this compound?

E4H3OCR2

5

200
How do you figure out the number of neutrons?
Subtract the atomic number from the atomic mass
200
What particle has a positive charge?
Proton
200
What are metalloids? 

Have properties of both metals and non metals. 

200
When litmus paper is in baking soda (pH 9) what color does the paper turn?

Blue

200

What is a compound? 

2 or more elements chemically combined

300
How do you find an element's atomic mass?
Add the number of neutrons and the number of protons together
300
What particle has no charge?
Neutron
300

What does similar properties mean?

Have the same valence electrons and characteristics 

300

List in order from the most Acidic to the least acidic 

Lemon Juice (2)

Bleach (12)

Coffee (6)

Salt Water (7.6)

Blood (7.2)


Lemon Juice, Coffee, Blood, Salt water, Bleach 

300

Give an example of a  large configuration using 3 elements

EX: Carbon, oxygen, hydrogen 

400

What is special about metals?

they have physical properties and no valence electrons- melting and boiling points. 

400
What particle has a negative charge?
Electron
400

What do the rows represent in the periodic table?

the number of shells around the nucleus 

400

What is the acidic range on the pH scale?

1-6

400

How many elements in C18H24O2

3

500
What does the term 'valence electrons' mean? (2 things)
number of electrons on outermost shell, tells how reactive an element is
500
What subatomic particle is not inside the nucleus?
Electrons
500
What element has the elemental symbol Yb?
Ytterbium
500

when testing the pH of soda, how many times should you conduct your trial? 

Minimum of 3 trails 

500

How do we find the number of neutrons in Sodium, along with how many valence electrons does it carry, and  what is the charge of Na?

11 protons and 11 electrons, valence electron is 1 and the charge is positive. 

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