Which TWO of the elements listed below would most like form a covalent bond?

Oxygen Hydrogen Carbon Magnesium

Is cheese salty, sweet, bitter, sour or savoury

During the period from about 1800 to about 1865, the atomic weights of many elements were accurately measured. Why was this important to Mendeleev's formulation of the periodic table?

Which molecule could form a coordinate covalent bond with a proton (h) ?

This is a property of solid metals. Capable of being shaped or formed, by hammering or pressure.

Is water wet? If so how

Restate Newtons first law in terms of acceleration

Why is burning is not a recommended method of disposing plastics

Why do cells have a plasma membrane? A. to separate protein from the nucleus B. to distinguish plants from animals C. to define the size of the cell D. to separate the inside of the cell from its enviroment

Base on its molecular mass, what is the molar mass of iron

For the following reaction in aqueous solution, identify all those species that will be spectator ions. Select all that apply. Na, SO4+Hg (NO3) 2HSO4+2NaNO3 Choose one or more: A. Hg2S04 B. Na2S04 C. Nat D. NO3 E. SO42- F. Hg2 (NO3) 2 G. NaNO3 H.