Changed a great deal. Circle the letter of each sentence that correctly describes atoms.
a. Most of the mass of an atom is due to electrons.
b. Atoms have no overall electrical charge.
Atoms of different elements have the same number of protons.
d. Most of the volume of an atom consists of protons and neutrons.
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In saturated organic compounds, all the bonds between carbon atoms are called?

The standard emf for the cell using the overall cell reaction below is +2.20 v: 2al(s) + 3i2(s) → 2ai3+(aq) + 6i-(aq) the emf generated by the cell when [ai3+] = 3.5 × 10-3 m and [i-] = 0.015 m is v. the standard emf for the cell using the overall cell reaction below is +2.20 v: 2al(s) + 3i2(s) 2ai3+(aq) + 6i-(aq) the emf generated by the cell when [ai3+] = 3.5 × 10-3 m and [i-] = 0.015 m is v. 2.36 2.24 2.21 2.51 2.04

All chemical reactions use reactants in a specific proportion or stoichiometry to form products. the reactant regulates the amount of products produced. a) excess b) limiting c) proportional d) stoichiometric