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Woodruff- Test Compo
Woodruff- Test Compounds
| Question | Answer |
|---|---|
| When an atom of oxygen gains 2 electrons, it becomes an ion with a charge of (1-, 2-, 1+, 2+) | 2- |
| Which compound consist of molecules with covalent bonds (2 nonmetals)? LiBr, KBr, HBr, NaBr | HBr |
| An atom of magnesium loses 2 electrons in forming a chemical compound. The charge on the resulting magnesium ion is (1+,2+,1-,2-) | 2+ |
| Which energy level jump by electrons produces light from an excited atom? (K to L, M to N, L to M, P to M) | P to M |
| The total number of electrons in the outer shell of an iodine ion is (1, 7, 8, 11) | 8 |
| During the formation of the compound FeI3 from its elements, how many electrons does each iodine atom gain? (1, 2, 3, 0) | 1 |
| Which compound contains a polyatomic ion? (KCl, ALI3, NaClO3, Li2,S) | NaClO3 |
| Which expression best represents diatomic oxygen gas? (O, 2 O, 2 Os, O2) | O2 |
| In the formula, Ca3(PO4)2 the 3 indicates (3 molecules of the compound, 3 molecules of phosphate, 3 phosphate ions, 3 calcium ions) | 3 calcium ions |
| What is the name of the compound NH4ClO3? (ammonium chlorate, nitrogen chlorite, ammonium carbonate, nitrogen ammoniate) | ammonium chlorate |
| How many oxygen atoms are represented by the formula Al2(CrO4)3? (7, 12, 3, 4) | 12 |
| How many atoms are in the formula (NH4)2SO4? (7, 11, 18, 20) | 20 |
| Which pair of atoms will form an ionic bond? (k and Cl, F and F, H and O, C and S) | K and Cl |
| Which group of elements is most chemically stable? (IA, IIA, VIIA, VIIIA) | VIIIA |
| Bonding by electron transfer is called (electronic bonding, shared bonding, covalent bonding, ionic bonding) | ionic bonding |
| Which of the following is a formula for a hydrated crystal? (CuSO4*H20, Cu(OH)2, Cu(C2H3O2)2, CuCl2 | CuSO4*H20 |
| Chemical bonding involves an atom's (electrons, protons, neutrons) | electrons |
| The compound AB3 contains how many atoms of element A for every three atoms of element B?( 1/2, 1, 3, 4) | 1 |
| An ion is formed when an atom gains or loses (electrons, isotopes, protons, neutrons | electrons |
| The sum of the oxidation numbers in a compound is (0, 1, 2, 1-) | 0 |
| The name of the second element in a binary compound will end in (ate, ic, ose, ide) | ide |
| S04 is an example of a (molecular ion, binary ion, polyatomic ion, covalent ion) | polyatomic ion |
| The number of the element with the _______ oxidation number is written first in a chemical formula. (positive, negative, smaller, neutral) | positive |
| Based on your Periodic Table, which of the following atoms has the greatest tendency to attract electrons? (Li, K, F, P) | F |
Created by:
seagullq
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