What was the first element used in 6,000 BCE in ancient middle east?
Copper
Positively charged subatomic particles
Proton
This is the most important table in the universe
Periodic Table
461
3
California has been the top ag state every year since?
1948
He first proposed organizing the elements by atomic weights and properties of the elements?
Dimitri Mendeleev
Negatively charges subatomic particle
Electron
Why did scientists in the 1860 think that element were periodic every 7 elements?
Repeating characteristics
55.000
5
California produces over ______ commodities and livestock products
400
What is a row on the periodic table called? *Hint: moves left to right
Periods
Neutron
Why was Mendeleev such a boss?
)Because he argued with another scientist who had discovered an element and said he had discovered it first in his mind Because he was right. The French guy was wrong. Because he published a paper.
0.700
3
The number 1 commodity is?
Milk and cream
What is a column on the periodic table? *Hint moves up and down*
What is the center portion of an atom called
Nucleus
You can often find hunks of alkali metals laying around in nature
False
50000
1
The number 10 commodity is?
Chickens (broilers)
What are special clusters of elements with common properties?
Families
What is an Isotope
Atoms of the same element with different numbers of neutrons in the nucleus
Alkali metals are so reactive they have to be stored in what?
Inert gases(Nobel Gases) or oils
0.0006
1
California grows more than ___% of the nation's fruits, nuts, and vegetables
50%