Crossword: The Building Blocks of Matter
Chapter 3 of chemistry: The building blocks of matter
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Topics of this game:
- Mass is neither created nor destroyed during ordinary chemical or physical reactions.
- A chemical compound contains the same elements in exactly the same proportions by mass regardless of the size
- If two or more different compounds are composed of the same two elements.
- The smallest unit of an element that maintains the properties of that element.
- 6.022 1367 x 10^23: the number of particles in exactly one mole of a pure substance.
- A short-range proton-neutron, proton-proton, neutron-neutron force that holds the nuclear particles together.
- Atoms of the same element that have different masses.
- A unit of mass that is exactly 1/12 the mass of a carbon-12 atom, or 1.660 540 x 10^-27 kg.
- The total number of protons and neutrons in the nucleus of an isotope.
- The number of protons in the nucleus of each atom of an element.
- The mass of one mole of a pure substance.
- The amount of a substance that contains as many particles as there are atoms in exactly 12g of carbon-12.
- The weighted average of the atomic masses of the naturally occurring isotopes of an element.
- The general form for any isotope of an element.
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