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Vocabulary
Chemical Bonds
Miscellaneous
Atoms
Characteristics of Living Things
100
which is at the center of the atom.
what is a nucleus?
100
Ionic and Covalent bonds
What is the bonds of chemical bonds?
100
iowa. nebraska doesn't know what fight means.
who would win in a fight between iowa and Nebraska?
100
strong forces
What is the nucleus of an atom held together with?
100
cell
smallest unit of an organism that can be considered alive?
200
a electron is a negatively charged particle (-) with 1/1840 the mass of a proton.
What is a electron?
200
Ions
What is positively and negatively charged atom are?
200
a french-fly
what is a frog's favorite food?
200
an atom
What is the basic unit of life?
200
living things
these things reproduce?
300
it is a pure substance that consists entirely of one type of atom.
What is a element?
300
Molecule
What is the structure that results when atoms are joined together by covalent bonds?
300
none. these are fingers.
how many numbers am i holding up?
300
2
how many Electrons (-) are there in helium if the atomic number is 2?
300
DNA
a organism genetic code?
400
Atoms of the same element that differ in the number of neutrons they contain.
What is a isotope?
400
ionic and covalent bonds
What are the main types of bonds?
400
there is no cure.
how do you cure the common cold?
400
an atom
What is basic unit of matter?
400
metabolism
the combination of chemical reactions through which an organism builds up or breaks down materials?
500
it is an attraction between molecules of the same substance.
What is a Cohesion?
500
it is a substance formed by the chemical combination of two or more elements.
What is a compound?
500
42
What is the answer to life?
500
electrons
What is in constant motion in the space around the nucleus?
500
homeostasis
although conditions outside an organism may change dramatically most organisms need to keep conditions inside their bodies constant as possible?