determine the percent error if the density of mercury is 13.534g/mL and you measured the density to be 13.000g/mL

Gold has 118 neutrons. If a gold atom where to lose a neutron what would happen

If an element, X, can form an oxide that has theformula X2O3, then element X would most likely be located on the Periodic Table in the same group as (1) Ba (3) In (2) Cd (4) Na

N2 (g) + 3H2-> 2NH3 (g) How many grams of ammonia (NH3) can be produced from the reaction of 28.0 g of N2 and 25.0 g of H2?

In addition to carbon dioxide, which of the following should Callie expect the seeds to give off as a waste product from performing cellular respiration? Question options: water energy oxygen glucose

Explain difference between acid and bases.?

A student went to the dentist and found out that he had a cavity. He always brushes his teeth twice a day, so he didn't understand how he got a cavity.

A force of 8,480 n is applied to a cart to accelerate it at a rate of 26.5 m/s2. what is the mass of the cart? 865 kg 320 kg 12.1 kg 3.12 kg

Within a group, which period, top or bottom is likely to contain atoms with the larger radius?

Write the equation for the fusion of two hydrogen-1 atoms.

23.9 km + 15 km Calculate this problem and report the answer with the correct number of significant figure