What is the answer to the following expression?  Make sure to report to the correct number of significant figures. 3.478×1.1642.00+0.354{“version”:”1.1″,”math”:”3.478×1.1642.00+0.354″}

The correct name for CrF3 is  _______

Given the Chart below, fill in all of the blanks that contain a BOLD RED number.  For charges, put in the number first then the sign of the charge (+ or -). Symbol Number of Protons Number of Neutrons Number of Electrons Net Charge Mass B 5 6 5 1 11 Fe 2 28 24 3 4 As 5 6 7 3+ 76 8 9 16 18 10 31

87 pm is the same as ________ Angstroms.

There are ________ ng in a pg.

The group(s) that readily form cations is (are) the: alkali elements alkali earth elements halogens transition elements

What is the answer to the following expression?  Make sure to report to the correct number of significant figures. (75.32+0.439+1.2567-67.2)

Which of the following is NOT one of the postulates of Dalton’s Atomic Theory?

The correct name for Na2S is  _______

Predict the empirical formula of the ionic compound that forms from aluminum and oxygen. If the formula requires subscript numbers, do not try to include them, simply write the numbers in line. example: For the ionic compound formed between the ammonium ion and oxygen the formula would be:  (NH4)2O _______