Which element has the greatest density at STP?

a. calcium

b. carbon

c. chlorine

d. copper

How is Earth's surface likely to change along the edges of a bend in a river channel? A. Erosion takes place along the inner edge as water flows relatively slowly. B. Erosion takes place along the outer edge as water flows relatively fast. D.

Critique Maria's laboratory safety procedures.

Biology which variable is measured in an experiment? A. dependent variable B. independent variable C. experimental variable

If it requires 35.0 milliliters of 0.50 molar NaOH to neutralize 25.0 milliliters of HCl, what is the concentration of the HCl solution? Balanced equation: NaOH + HCl yields NaCl + H2O

Calcular el poh y el ph de una solucion 0.00016M de KOH

Which metal in Period 5 is very reactive and has two valence electrons in each atom? rubidium (RD) strontium (SI) zirconium (Z1) silver (Ag)

Sara and Sam went for a two-hour drive. According to the graph, between. 75 hours and 1.25 hours into their trip, they A) slowed down to a speed of 15km/hour. B) travelled at a constant rate of 30km/hour.

Define the following terms: acids, bases, oxoacids, oxoanions, and hydrates.

Calculate the concentration of a solution that has 6.7 moles in a volume of 0.6 liters.

Is sidewalk cement an element or a compound?