HESI Chemistry Practice Test 1

What type of bond is found in the sugar-phosphate backbone of DNA?

In the Periodic Table, in what direction would the electronegativity of an element increase?

Which of the four macromolecules contains genetic codes?

If a student wanted to speed up the rate of a reaction, they should do which of the following?

Which of these atoms has the smallest atomic radius?

In an oxidation-reduction reaction, what happens to the element that is reduced?

Placing 20 grams of sugar cubes in 100 mL of water would instantly create which of these?

What is one of the two main components of a lipid?

If an isotope of an atom has an atomic number of 38 and an atomic mass number of 116, how many electrons would be found in an atom with no net charge?

The sun’s source of energy is from what process that takes place in its core?