Chemistry Quiz

What type of bond is formed when one atom donates an electron to another atom?

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond

In a redox reaction, what happens to the oxidation state of the element that gets oxidized?

• It decreases

• It increases

• It remains the same

• It becomes zero

What is the atomic mass of Carbon?

• 12.01 amu

• 14.01 amu

• 16.00 amu

• 1.01 amu

What is the pH value of a neutral solution at 25°C?

• 0

• 7

• 14

• 10

Which of the following is not a type of chemical reaction?

• Synthesis

• Decomposition

• Filtration

• Single replacement

Which element is located in period 3 and group 16 of the periodic table?

• Sulfur

• Oxygen

• Selenium

• Tellurium

• 18.015 g/mol

• 16.00 g/mol

• 2.016 g/mol

• 44.01 g/mol

Which factor generally increases the atomic size of elements as you move down a group in the periodic table?

• Increasing nuclear charge

• Decreasing number of electron shells

• Increasing number of electron shells

• Decreasing nuclear charge

Which of the following is a property of acids?

• They turn litmus paper blue

• They have a pH greater than 7

What is the main characteristic of a solution?

• It is a heterogeneous mixture

• It has a variable composition

• It is a homogeneous mixture

• It cannot be separated by filtration