Which vital element for life participates in the carbon, nitrogen, and phosphorus cycles?

O

A. oxygen

o

B. sodium

O

C. calcium

O

D. chlorine

A positively charged rod is brought close to one end of a neutral metallic plate as seen below. What type of charge is induced on the right side of the plate? A. Positive B. Negative C. Neutral D. Mixed charges

What statement does not accurately describe the following equation? C6H12O6+--->6H20+6CO2+energy A) oxygen is a react ant B) this reaction is endothermic C) Eighteen atoms of oxygen are found as both part of the reactants and the products D) This

Which of the following would increase the pressure acting on a closed-system chemical reaction? adding a chemical inhibitor increasing the temperature of the chemical reaction decreasing the surface area of the reactants

What is formed when two atoms of bromine bond together?

Is a chemical property of water light sensitivity

Describe how the periodic table differentiates between metals and nonmetals. I need a very informative description/explanation on this.

When the ideal gas law is arranged as shown below, what property of the gas is being solved for (represented by the X) ? x equals PV over nR

Which element could chlorine bond with to form an ionic compound? helium oxygen fluorine sodium

A scientist conducted one trial experiment and got unexpected results. how can the scientist increase confidence in the results

A board measures 212 inches. How many feet is this?