How are fossils formed

A an organism is covered in sand or soil

B the climate because too warm for an organism

C an organisms characteristics change

D sediment gardens around an organism

What does the energy hill represent on an energy diagram? A. The potential energy gained by the products when a reaction happens B. The final amount of potential energy of the products of the reaction C.

What column do these go into physical or chemical property? *reddish color * reacts with oxygen * smooth texture * conducts heat * sinks in water * not flammable

Which element is most likely to bend without breaking? carbon (C) iodine (I) silicon (Si) cobalt (Co)

What are three properties of components of the universe that can be determined using electromagnet radiation?

Which one below will can cause the reaction rate to increase? increasing concentration Increasing particle size decreasing temperature increasing the inhibitor

How can we measure the density of different wooden objects

According to molecular orbital theory, all diatomic molecules with an even number of electrons will be diamagnetic. True or False?

Which of the following equilibria would be impacted by a change in pressure? Select the correct answer below: H2 (g) + I2 (g) →2HI (g) NO (g) + O3 (g) →NO2 (g) + O2 (g) 2SO3 (g) →2SO2 (g) + O2 (g) CO (g) + H2O (g) →CO2 (g) + H2

A common stain remover is sold in concentrated form as 3M sodium hypochlorite (NaOCl). You need to create 400 milliliters of a 0.5M solution of sodium hypochlorite to fill a spray bottle. What volume of 3M sodium hypochlorite is needed? 15.0 mL 66.

A chemical reaction that takes in heat is called: exothermic endothermic a phase change