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Ch 4 Earth Chemistry Bonding Atoms Equation s Terms Random 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500 What bond results in the transfer of electrons from one atom to another? Answer Ionic Bond Home The attraction between atoms that share electrons result in ____ bonds Answer Covalent Bonds Home What are 2 types of chemical bonds? Answer Ionic and Covalent Home Group of atoms held together by chemical forces Answer Molecule Home What 2 ways can electrons form chemical bonds? Answer Shared or transferred Home A ______ is a substance that cannot be broken down into simpler, stable substances Answer Element Home What is the atomic number of an element? Answer Number of protons it has Home What 2 things make up the mass number? Answer Protons and neutrons Home What are subatomic particles that have no charge and are found in the nucleus Answer Neutrons Home What 2 subatomic particles are found in the nucleus? Answer Protons and neutrons . Home What is used to show the reaction when elements and compounds combine to form new compounds? Answer Chemical Equation Home Atom or molecule that has gained or lost electrons Answer An Ion Home What do you call the elements or molecules on the right side of the arrow in a chemical equation? Answer Products Home What does the “4” mean in SO4? Answer 4 atoms of oxygen Home What are used to balance chemical equations? Answer Coefficients Home What type of property can be observed without changing the composition of a substance Answer Physical property Home Elements on the periodic table are arranged in columns (groups) based upon their: Answer Chemical properties Home What is an atom that has a different number of neutrons than other atoms of the same element? Answer Isotope Home Mixtures in which 2 or more substances are not uniformly distributed are ____ mixtures Answer Heterogeneous Home Solution of 2 or more metals Answer Alloy Home What properties describe reactions between substances? Answer Chemical properties Home Homogeneous mixture of 2 or more substances uniformly dispersed throughout the mixture Answer Solution Home Within a group or column, the different elements usually have the same number of _____ Answer Valence electrons Home What is a substance made up of atoms of two or more different elements joined together by chemical bonds? Answer A Compound Home How are elements in the periodic table table arranged? Answer In order of atomic number Home
