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Basic Chemistry ES

QuestionAnswer
Chemical symbol for the element carbon C
Chemical symbol for the element oxygen O
Chemical symbol for the element hydrogen H
Chemical symbol for the element sodium Na
Chemical symbol for the element chlorine Cl
Chemical symbol for the element phosphorus P
Chemical symbol for the element nitrogen N
Chemical symbol for the element sulfur S
Chemical symbol for the element argon Ar
Chemical symbol for the element potassium K
Chemical symbol for the element iron Fe
Chemical symbol for the element calcium Ca
the smallest part of any element atom
3 particles that make up an atom protons, electrons, and neutrons
charge of a proton positive
charge of an electron negative
charge of a neutron neutral or none
particles found in the nucleus of the atom proton and neutrons
where are electrons found in the atom in orbits around the nucleus
what identifies the type of atom atomic number
definition of atomic number the number of protons in the nucleus of an atom
An atom of an element has one proton in its nucleus. Which element does this atom belong to? hydrogen
What will always have the same number as both the number of protons and the atomic number in an atom? electrons
What is the overall charge of the nucleus of an atom? (positive, negative, or neutral) neutral
What does Mass number - Atomic number give you? number of neutrons
An atom has an atomic number of 11 and a mass number of 23. What type of atom is it and how many protons, electrons, and neutrons does it have? Sodium. 11 protons, 11 electrons, and 23-11= 12neutrons
What is the maximum number of electrons the first energy level can hold? 2
What is the maximum number of electrons the second energy level can hold? 8
What is the maximum number of electrons the third energy level can hold? 8
Atoms of element bond together to form this compounds
a physical combination of different types of matter like trail mix is a? mixture
the study of matter and the changes that matter undergoes is called chemistry
anything that has mass and takes up space matter
is air matter ? yes
using organisms to reduce the amount of pollution is called... bioremediation
rocks, minerals, and soil belong to this sphere (2 answers) lithosphere or geosphere
the four layers of the earth that make up part of the geosphere are crust, mantle, outer core, and inner core
oceans, rivers, lakes, and water vapor in the air belong to this sphere hydrosphere
the portion of the earth that can support life and all the living things found there belong to this sphere biosphere
the gases that surround the earth belong to the sphere atmosphere
the frozen portion of earth makes up this sphere cryosphere
True or false. The spheres are constantly interacting. true.
Rain falls on to the earth involves movement from the ____ to the _____. hydrosphere to the lithosphere
 



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