Chemistry Flashcard

Front

How does a metallic atom generally become a cation?

Back

losing electrons

Front

The greater the electronegativity of an element, the greater its ability to:

Back

attract electrons to itself

Front

Which of the following compounds is the best example of an ionic solid? sulfur dioxide (SO2), aluminum sulfide (Al2S3), water (H2O), carbon tetrabromide (CBr4)

Back

aluminum sulfide (Al2S3)

Front

Which of the following metals is the most reactive? gold, lead, zinc, potassium

Back

potassium

Front

Which set of elements can be found in the same period on the periodic table? Options: Na, Si, Se; Ba, Pb, Br, Cl; Al, P, Cl; Be, Al, O

Back

Na, Si, Se

Front

The reaction of sodium with chlorine to form sodium chloride: 2Na(s) + Cl2(g) → 2NaCl(s). What type of chemical reaction is this?

Back

synthesis

Front

A displacement reaction between which of the following substances will likely occur most quickly? Use the activity series of metals shown here. Options: Fe(s) and CuSO4(aq), Mg(s) and H2O(g), Mg(s) and CuSO4(aq), Zn(s) and FeCl2(aq)

Back

Mg(s) and CuSO4(aq)

Front

Which of the following reactions is a neutralization reaction?
1. Mg(OH)2(s) + 2HCl(aq) → 2H2O(l) + MgCl2(aq)
2. Fe(s) + CuSO4(aq) → FeSO4(aq) + Cu(s)
3. Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g)
4. KCl(aq) + AgNO3(aq) → AgCl(s) + KNO3(aq)

Back

Mg(OH)2(s) + 2HCl(aq) → 2H2O(l) + MgCl2(aq)

Front

Prediction of how much product should form from a chemical reaction based on the stoichiometry of the chemical equation.

Back

theoretical yield

Front

What is the molar mass of sulfurous acid, with chemical formula H2SO3? The average atomic mass for each element in the compound is as follows: H 1.0079 u; S 32.066 u; and O 15.9994 u.

Back

98.15 g/mol