Over Sci_1101 Ch 2 pt 1 for online

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This quiz let is over Sci_1101 Ch 2 pt 1 for online if you see any mistakes please fix them

The Geysers

geothermal power plants in North California that produce electricity for millions.

Matter and Energy

Answer Format (___ and ___) two essential constituents of both the universe and living organisms.

Matter

What in science is neither created nor destroyed but is recycled endlessly? Classified as everything that takes up space and has mass in the universe. Virtually everything is composed of this in the universe.

Big Bang

event that formed the four lightest elements (H,He,Li,Be) (Don't be alarmed zombie brains and chocolate cake came later.)

Helium

Heavier elements could not be manufactured until there was a significant amount of ________. (Happened later after the BB)

Stars and Supernovae

The other 88 elements were made later in ____and____. (Hint S & S)

Energy

the capacity to do work.

Hydrogen and Helium

99% of the universe is composed of ____ and ____. (Hint H & H)

Stars

Are giant fusion reactors forcing atoms to fuse together due to gravity at the center of them.

Solid, Liquid and Gas

Most matter or materials substances can exist in three interchangeable states ___, ___ and ___.

Air, Water, Fire and Earth

The ancient Greek philosophers though that a great variety of matter arose from 4 basic ingredients ___,___,___ and ___. They though the substances were pure and couldn't be broken down anymore.

Democritus

This 5th century BC Greek philosopher argued that substances can be separated to a "smallest piece" with he called "atomon" with has be converted to "atom".

John Dalton

Early 1800's scientist that through lab experiments found that most substances could be broken down into another but there was a few that couldn't.

Elements

substances that cannot be broken down into other substances by chemical reactions.

115

Today we recognize ___ number of elements.

92

Today we recognize ___ number of naturally occurring elements

23

Today we recognize ___ number of elements created under special conditions (unstable)

96

Of the 115 elements just 4 Oxygen, Carbon, Hydrogen and nitrogen make up __% of living organisms.

Al

Aluminum's abbreviation

Br

Bromine's abbreviation

Ca

Calcium's abbreviation

C

Carbon's abbreviation

Cl

Chlorine's abbreviation

Co

Cobalt's abbreviation

Cu

Copper's abbreviation

Au

Gold's abbreviation

H

Hydrogen's abbreviation

I

Iodine's abbreviation

Fe

Iron's abbreviation

Pb

Lead's abbreviation

Mg

Magnesium's abbreviation

Hg

Mercury's abbreviation

Ni

Nickel's abbreviation

N

Nitrogen's abbreviation

O

Oxygen's abbreviation

P

Phosphorus's abbreviation

K

Potassium's abbreviation

Ag

Silver's abbreviation

Na

Sodium's abbreviation

S

Sulfur's abbreviation

Sn

Tin's abbreviation

Atoms

are made up of 3 types of smaller particles called sub-atomic particles.

Protons

Positively charged sub-atomic particles found at the center of the atom. The number of these in the nucleus equals the atomic number of the element.

Neutrons

Neutrally Charged sub-atomic particles found at the center of the atoms made up if one proton and one electron. Holds the nucleus together.

Electron

These subatomic particles orbit the neutrons and protons near the speed of light. They are negatively charged and weight 1/1860th as much as proton or neutron

Hydrogen

Name of Element with 1 proton and 1 electron

Nucleus

Contains 99.9% of the atom's mass, Composed of Neutrons and Protons, The nucleus overall has a positive charge.

Electrons, Protons

Answer format (___,___)The number of _____ found in orbital circles must equal the number of ______ found in the nucleus to maintain electrical neutrality.

Matter, Energy

Answer Format (___,____)All ____ is composed of tiny moving particles separated by space and held together by ______.

Carbon

This elements Atomic number = 6, Protons = 6, Neutrons = 6 and Electrons =6.

Nitrogen

This elements Atomic number = 7, Protons = 7, Neutrons = 7 and Electrons =7.

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