Senior Final 2024

What is the volume of a piece of zinc with measurements 2.0 cm x 5.0 cm x 5.0 cm?

• 50 cm³

• 12 cm³

• 12 cm

• 50 cm

What is the volume of the fluid in the graduated cylinder shown?

• 12.0 ml

• 13.0 ml

• 13.5 ml

• 12.5 ml

A can of baking powder reads: "Ingredients- cornstarch, sodium bicarbonate, calcium acid phosphate, and sodium aluminum sulfate." Baking soda is a

• compound

• mixture of compounds

• molecule

• mixture of elements

A 220 g piece of metal was submerged in a graduated cylinder containing 100 ml of water. The level of the water rose to 150 ml. What is the density of the metal?

• 2.2 g/ml

• 0..23 ml/g

• 270 g/ml

• 4.4 g/ml

If the graph represents the energy of the reactants and products of a chemical reaction, which of the following is true of the reaction?

• there is an exothermic reaction

• there is an endothermic reaction

• the activation energy is lower than the energy released

• the total energy is higher than the starting energy

Which of the following is NOT a chemical property of sugar?

• it decomposes readily

• It is a white, crystalline powder

• It has a composition of carbon, hydrogen, and oxygen

• It will burn when heated

• It does not conduct electricity so is non-ionic

1 ml is the same as which af the following? (Mark all that apply)

• 1 cc

• 1 cm³

• 1 dm³

The two main parts of an atom are the:

• principle energy levels and sublevels

• nucleus and energy levels

• planetary electrons and energy levels

• nucleus and kernel

An atom of beryllium contains 4 protons, 5 neutrons, and 4 electrons. What is the mass number of this atom?

• 14

• 7

• 21

• 4

• 2

• 8

• 18