Examine the block on the periodic table indicated by the arrow. Which of the following correctly describes this element (V – vanadium)?

Consider the following figure:   Which of the following correctly identifies the quantities labeled 1, 2, and 3?

Who proved the existence of the electron of the atom with an experiment referred to as the Cathode Ray Tube?

What is the correct formula for titanium(IV) sulfate?

The nuclear symbol of an isotope of beryllium is  Indicate the number of protons, number of neutrons, atomic number, and mass number of the isotope.

What is the element and correct symbol for an atom that has 28 protons and 26 electrons?

How many significant figures are in the result of the calculation below? (4.321 – 4.21) × (6.9234 × 105)

Which of the three major subatomic particles has/have a mass of approximately 1 amu?

A student finds that the mass of an empty beaker is 16.600 g. She places a solid in the beaker to give a combined mass of 16.629 g. To how many significant figures is the mass of the solid known?

Perform the following calculation and answer to the correct number of significant figures: (0.44 x 2.77) + 9 =