Which metalloid is in the fourth period and the same group as carbon?

Rock candy is a type of candy made by dissolving sugar in hot water and then cooling the solution so that large sugar crystals form.

What is the best way to protect computer equipment from damaged caused by electrical spikes? connect equipment using a USB port turning off equipment that's not in use recharging equipment batteries regularly plug equipment into a surge protector

Under certain conditions the rate of this reaction is zero order in dinitrogen monoxide with a rate constant of 0.0067·Ms-1: 2N2O (g) →2N2 (g) + O2 (g) Suppose a 4.0L ⁢ flask is charged under these conditions with 300. mmol of dinitrogen monoxide.

Consider the following intermediate chemical equations. 2 equations. First: upper P subscript 4 (s) plus 6 upper C l subscript 2 (g) right arrow 4 upper P upper C l subscript 3 (g) delta H 1 equals negative 4,439 kilojoules.

Which two cases can be solved using the law of sines? (select all that apply.) ?

Ions that consist of a single atom are called ... ions

Ecosystems are clearly separated from one another. Where one ecosystem stops, another begins A: True B: False

Mass_mole relationship

What is the momentum of an 800-kg car | traveling at a velocity of 10 m/s? What is its momentum if it speeds up to 50 m/s?

How many grams of CuSO4 are there in 100.0 g of hydrate? How many moles?