What is the possible identity of an unknown compound with the following proprettes: solide, shimmy silver colored, conducts electricity, dents when hit with a hammer?

a) Xe

b) Zn

c) S

d) P

e) C

How are a mole and a dozen similar

Energy is released from radioactive elements. True or False

Explain how two organisms can have the same phenotype bet different genotypes

a chemist reacts 150.0 grams of HCl with an excess of MnO2. if the following reaction occurs: MnO2+4HCl=MnCl2+2H2O+Cl2 how many grams of mncl2 are formed

Why are the surface temperature on the moon more extreme than the surface temperature on earth

Where are two places that scientists obtain scientific knowledge

Which of the following best describes what happens when an ionic bond forms? A) two atoms come together and share electrons in order to fill their octets. B) two atoms give up their electrons in order to form a bond.

Describe the attraction between 2 atoms as a result of sharing electrons

I need to know about mitosis and meiosis

What is sediment and debris, and what role does it play in the way sedimentary rock forms?