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Woodruff- Test Compo

Woodruff- Test Compounds

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