1. What is the difference between a molecular formula,

structural formula and an electron dot formula?

Which of the following are likely to form a covalent bond? - gold and gold oxygen and oxygen magnesium and oxygen magnesium and gold

Assume 3 molecules of Fe react according to the following equation. 3Fe + 4H2O Fe3O4 + 4H2How many molecules of H2 are produced? moleculesHow many water molecules are required? moleculesWhat is the mole ratio of Fe to H2O?

What happens whem rna poloynerase finds a sequence called the

18 g of copper is mixed with silver nitrate in water. How much copper ll nitrate will formed?

Which statement best describes a cell? A. A compartment that contains DNA and regulates when genes are turned on and off. B. the smallest structural and functional unit of organism can can be said to be alive. C.

Extend E1 Explain why the arrangement, movement and energy of particles change during changes of state.

What is in a banana? give me specifics?!

Addition of an excess of lead (II) nitrate to a 50.0mL solution of magnesium chloride caused a formation of 7.35g of lead (II) chloride precipitate. What was the molar concentration of chloride ions in the solution (in mol/L) ?

2.70 L of a gas has a pressure of 0.63 atm. What is the volume of the gas at 105 kPa?

Which statements describe Rutherford's model of the atom? Select all that apply.