Post AP Chemistry Flashcard 2

Front

A 20.0 mL sample of glycerol has a mass of 25.8 g. What is its density in ounce per quarts (oz/qt)?

Back

4.29 × 10² oz/qt

Front

A 21.93 g piece of indium is dropped into a cylinder containing 46.3 cm³ of water, raising the level to 49.3 cm³. What is the density of indium?

Back

7.30 g·cm⁻³

Front

The iodide ion from one atom of ¹²⁶I contains how many protons, neutrons, and electrons?

Back

53 p^＋
73 n,
54 e^-

Front

The four isotopes of lead include lead-204, lead-206, lead-207, and lead-208.  The average atomic mass of lead is 207.2.  
Which isotope of lead is likely to be present in the highest amount?

Back

207

Front

Which ion is the least likely to form? Options: C⁴⁺, As³⁻, Mg²⁺, Ti⁴⁺, Na⁺

Back

C⁴⁺

Front

The most stable ion of magnesium has how many protons and electrons?

Back

12p^＋ & 10e^-

Front

The name of FeCl₂ is

Back

iron (II) chloride

Front

A metal chloride has formula MCl₂. The cation of M possesses 24 electrons. What is the identity of M? Options: Cr, Fe, Ni, Mn

Back

Fe

Front

The chemical formula of lead (IV) nitrate is

Back

Pb(NO₃)₄

Front

What is the correct formula for Aluminum (Al³⁺) Sulfite (SO₃^2-)?

Back

Al₂(SO₃)₃