Biology - Ch. 2
Terms in this set (25)
____ is the energy due to movement of molecules in a body of matter.
an ____ is a subatomic particle that circles an atom's nucleus.
the smallest particle of an element is called an ____.
an ____ is a charged atom or molecule.
acid ____ is caused by pollutants that combine with water in the air.
____ is anything that occupies space and has mass.
2 or more atoms held together by covalent bonds form a ____.
neutrons and protons are found in an atom's ____.
the cohesion of water molecules is responsible for ____.
variant forms of an element with different numbers of neutrons are called ____.
____ is the tendency of water molecules to stick together.
a ____ is a subatomic particle with no electrical charge.
____ measures the intensity of heat.
electrons are shared unequally in a ____ covalent bond.
there are 92 naturally occurring ____.
a ____ contains 2 or more elements in a fixed ratio.
weak bonds between water molecules are called ____.
an ____ donates H+ ions to solutions.
a ____ is formed when 2 atoms share electrons.
a ____ is a positively charged particle from the nucleus of an atom.
in a solution, the dissolving agent is called the ____.
a ____ is liquid containing a uniform mixture of substances.
when 2 ions of opposite charges attract each other, an ____ forms.
the ____ is the substance dissolved in a solution.
a ____ accepts H+ ions and removes them from solution.
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