mid term exam
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Terms
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- matter
- anything that takes up space and has mass.
- critical thinking
- involves using knowledge and thinking skills to evaluate evidence and explanations.
- metallic bond
- bond formed when metal atoms share their pooled electrons.
- ion
- atom that is no longer neutral because it has gained or lost an electron.
- bouyant force
- upward force exerted on an object immersed in a fluid.
- temperature
- a measure of the average value of the kinetic energy of the particles in a material.
- alkali metals
- elements in group 1 of the periodic table.
- halogen
- elements in group 17 of the periodic table.
- thermal energy
- the sum of the kinetic and potential energy of the particles in a material.
- ionic bond
- attraction that holds positively charged ions together.
- constant
- variable that is not changed in an experiment.
- energy level
- the different areas for an electron in an atom.
- viscosity
- a liquid's resistance to flow.
- lanthanide
- the first series of inner transition elements which goes from cerium to lutetium.
- transition elements/metals
- elements in groups 3-12 in the periodic table, all of which are metals.
- group
- family of elements in the periodic table that have similar physical or chemical properties.