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Protons neutrons
________ and electrons are mostly empty space which is 99 %.
phosphate backbone
The ________ (indicated by the curvy lines) is on the outside and the base is on the inside.
CO2
________ is a molecule because it is made up of one carbon atoms and 2 oxygen atoms.
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________ is a carbon molecule that shows a carbon atom in the middle and four hydrogen atoms (different) surrounding it.
Outermost
________- holds its elections in orbit around the nucleus.
Digestion
________) and are usually complex proteins* Each one has specific shapes or formations based on how its used* They may breakdown, rearrange or synthesize reactions.
potassium
Elements such as carbon, ________ and uranium have naturally occurring isotopes.
ions
When atoms gain or lose electrons, ________ are formed.
Radioactive decay
________ describe the energy loss that occurs when an unstable atoms nucleus release radiation.
Nucleus
________- the center of the atom and which contains the protons and neutrons.
Methane
________ (CH4)- these covalent bonds between atoms in hydrocarbons store great amounts of energy and is released when molecules are oxidized (burned) ________ is an excellent fuel and is also the simplest hydrocarbon molecule.
protons
Atoms contain ________, neutrons and electrons among other subatomic particles.
electron
Each ________ has a negative charge which is equal to the positive charge of a proton.
atmosphere
The ________ is rich in nitrogen and oxygen but contains little carbon and hydrogen whilst the earths crust does contain oxygen and small amounts of hydrogen it has little nitrogen and carbon.
NoneBashCSSCC GoHTMLObjective
________- CJavaJavaScriptJSONPerlPHPPowershellPythonRubyRustSQLTypeScriptYAMLCopyLipids* Include a diverse group of compounds such as fats, oil, waxes, phospholipids and steroids (nonpolar in nature)* Nonpolar molecules are "water- fearing "(hydrophobic) or insoluble in water* Lipids have important roles in storing energy and building cell membranes throughout the body.
sort of substance
The matter is any ________ that uses up space and has mass.
Atoms
________ are the smallest unit of matter that retains all the chemical properties found of an element.
Electrons
________ contribute a lot towards the charge of the atom.
subset of organic molecules
These are a(n) ________ that are very important for life.
organic molecules
These are ________ that consist entirely of carbon and hydrogen.
N Methane
________ has a tetrahedral geometry with four hydrogen atoms spaced 109.5° apart.
nitrogen atom
It contains one ________ and three oxygen atoms and has an overall.
N n Hydrocarbons
________ may exist as linear carbon chains, carbon rings and combinations of both.
Carbon
________ is also a versatile element for basic structural components of macromolecules.
stable atomic configurations
Emit neutrons, protons, and electrons and attain more ________ (lower level of potential energy)
chemical elements
There are 118 ________ 92 occur naturally.
basic functional unit of life
The ________ is a cell.
Positive ions
________ (sodium Na+) lose one or more electrons.
ions molecules
Some ________ are charged due to the ions they contain.
neutral atoms
In ________ (uncharged) the number of electrons orbiting the nucleus equal to the number of protons in the nucleus.
unique forms of matter
Elements are ________ with very specific properties (chemical and physical)
Protons
________ are positively charged.
Carbon
________ has unique properties that allow it to form covalent bonds with as many as four different atoms.
Electrons
________ that surround all atoms are negatively charged and negative charges repel each other.
Protons
________ and neutrons have approx. the same mass about 1.67 (10- 24)
Nucleus
the center of the atom and which contains the protons and neutrons
Outermost
holds its elections in orbit around the nucleus
Nitrate (NO3-)
common source for plants
Methane (CH4)
these covalent bonds between atoms in hydrocarbons store great amounts of energy and is released when molecules are oxidized (burned) methane is an excellent fuel and is also the simplest hydrocarbon molecule
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