Chemistry Vocabulary

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Across
  1. 4. The ability of a material, typically a metal, to be drawn out into a thin wire without breaking.
  2. 7. Able to be hammered or pressed permanently out of shape without breaking or cracking, commonly used to describe metals.
  3. 8. Mass The average mass of an element's atoms, typically expressed in atomic mass units (amu), taking into account the relative abundance of isotopes.
Down
  1. 1. A horizontal row in the periodic table of elements, indicating the number of electron shells in the atoms of the elements.
  2. 2. A vertical column in the periodic table, where elements in the same group have similar chemical properties and the same number of valence electrons.
  3. 3. Number The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  4. 5. Key A section of information on the periodic table that shows essential data about an element, such as its atomic number, symbol, atomic mass, and sometimes its state of matter.
  5. 6. Electron The electron(s) in the outermost shell of an atom that determine how the atom interacts with other atoms in chemical reactions.