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Terms in this set (15)
Law of Conservation of Mass
The idea of atoms and a balanced chemical equation support which law?
What are the following evidences of? Changes in temperature and/ or color, or the formation of a gas or precipitate
This is such a small particle that it cannot be seen with an optical microscope, and it has to be measured on the level of the nanoscale.
All ___ is composed of atoms.
What is composed of two or more elements chemically combined?
Filtration, sifting, evaporation
Mixtures can be separated by physical means. Give an example.
The type of mixture which is not uniform throughout, the component substances can be visibly distinguished (tossed salad, granite, iced team)
The type of mixture which is uniform throughout , the substances are evenly mixed and cannot be visibly distinguished. (Air, steel, clear salt-water)
The atoms are closely locked in position and can only vibrate. Which state of matter?
The atoms and molecules move independently, colliding frequently
The atoms and molecules move independently, colliding frequently.
There is a relationship between this and Phases (States) of Matter. What is mass per unit of volume?
The periodic table of elements is an arrangement of elements according to their ____.
The periodic table of elements is arranged horizontally in order of increasing ____.
The atomic number on the periodic table of elements represent the number of ___ in the atom.
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