How do you know which halide salts confirms a presence of F - ions, Cl - ions, Br - ions, and I - ions?

A sample of an unknown metal (density = 4.920 g/mL) weighs 550.0 g. What is the volume of this piece of metal? a. 111.8 mL b. none of these c. 2.706 * 10^3 mL d. 1.118 * 10^5 mL e. 8.945 * 10^-3 mL

A slow jogger runs a mile in 11 minutes. Calculate the speed in km/h

When the equation Ca3 (PO4) 2+HNO3→Ca (NO3) 2+H3PO4 is balanced, the smallest whole number coefficient for HNO3 is

What volume will 0.75 moles of oxygen gas occupy at STP?

Nitrogen can ionically bond with an unknown element X from group 2. How many ions of element X are required to create a stable ionic compound with nitrogen? A) 2 B) 3 C) 4 D) There is not enough information.

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?

1.4 Explain why it is important to support individuals to challenge information about services that may present a barrier to participation

Which describes energy changes during nuclear fission? A very large amount of energy is produced from a tremendous mass. EEUU A very large amount of energy is produced from a very small mass. G .