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living things consist of atoms of different _
elements
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_ is for Nucleic acids
nucleic tide
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what are two types of things found in the nucleus?
DNA and RNA
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a string of amino acids make up a _
protein
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If the name ends in "ose" then it is _/_
carbohydrate/sugars
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_ are the 1st carbon-based molecule
carbohydrates
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_ bonds are strong due to sharing
covalent
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_ bonds are weak due to attraction btween charges
ionic
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atoms share pairs of electrons in _ bonds
covalent
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positive and negative attract, which causes an _ bond
ionic
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_ form when atoms gain or lose electrons
ions
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What are the three types of bonds?
ionic, covalent, and hydrogen
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there are many other _ compounds in living things
carbon-based
-
-
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a compound is made of different elements _ together
bonded
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An oxygen atom has _ proton(s) and _ electron(s)
8, 8
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A hydrogen atom has _ proton(s) and _ electron(s)
1,1
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an _ is one type of atom
element
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A _ is the smallest basic unit of matter
atom
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the number of protons=the number of _
electrons
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Neutral means that overall, there is no _
charge
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Atoms are electrically _
neutral
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What shows what type of atom something is?
protons
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_ are in energy levels outside nucleus
electrons
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protons are _, neutrons are _, and electrons are _
positive, neutral, and negative
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What 2 things does an atom have?
a nucleus and electrons
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What are all living things based on?
their atoms and their interactions
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