Vocab quiz Crossword
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1) 1 amu, is exactly 1/12 the mass of a carbon-12 atom.2) The elements of Group 2 of the periodic table (beryllium, magnesium, calcium, strontium, barium, and radium.4) The physical and chemical properties of the elements are periodic functions of their atomic numbers.7) The electrons available to be lost, gained, or shared in the formation of chemical compounds8) is the total number of protons and neutrons in the nucleus of an isotope.9) is a measure of the ability of an atom in a chemical compound to attract electrons.12) are atoms of the same element that have different masses.13) as the smallest particle of an element that retains the chemical properties of that element. |
Across:
3) is an arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column, or group.5) is the weighted average of the atomic masses of the naturally occurring isotopes of an element.6) may be defined as one-half the distance between the nuclei of identical atoms that are bonded together.10) The elements of Group 1 of the periodic table (lithium, sodium, potassium, rubidium, cesium, and francium).11) The d-block elements are metals with typical metallic properties.14) The elements of Group 17 (fluorine, chlorine, bromine, iodine, and astatine).15) An element in the p-block or s-block.16) The energy required to remove one electron from a neutral atom of an element.17) The energy change that occurs when an electron is acquired by a neutral atom. |
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