A carbon atom can bond to four other atoms because it has

a. four different cations.

c. two inner energy levels.

b. four valence electrons.

d. no protons in its nucleus.

The mole concept will most likely be used in calculating the average height of a mountain range. measuring how many liters of gasoline are poured into a tank. determining how many ozone molecules are lost in the atmosphere.

Which element has a larger ionic radius sulfur (S) ? A. Oxygen B. Fluorine (F) C. Chlorine (Cl) D. Phosphorus (P)

Determine the mass of KNO3 that dissolves in 100 grams of water at 40°C to produce a saturated solution

Chlorine has 17 valence electrons. true or false?

Most reactions between an acid and a base form a salt and water. Which describes an acid-base reaction? A. synthesis B. decomposition C. double-replacement reaction D. single-replacement reaction

Identify the characteristics of tornadoes and hurricanes

When magma intrudes parallel to another rock layer, the formation is called a (n) A. sill. B. dike. C. extrusion. D. unconformity.

What is the net amount of energy released when 1 mole of H2O is produced

Why is Sn (SO4) 2 named Tin (IV) Sulfate and not Tin (II) Sulfate?

An element x forms an iodide (xi3) and a chloride (xcl3). the iodide is quantitatively converted to the chloride when it is heated in a stream of chlorine: 2xi3+3cl2â2xcl3+3i2 if 0.5500 g of xi3 is treated, 0.2596 g of xcl3 is obtained.