Chemistry Final Exam 2

What is the charge of a proton?

• -1

• 0

• +1

• +2

Which subatomic particle is found in the nucleus of an atom and has no charge?

• Electron

• Proton

• Neutron

• Positron

What is the atomic number of oxygen?

• 6

• 7

• 8

• 16

Which element is located in Group 1, Period 2 of the periodic table?

• Hydrogen

• Lithium

• Sodium

• Potassium

What type of bond is formed when two atoms share electrons?

• Ionic bond

• Metallic bond

• Covalent bond

• Hydrogen bond

Which of the following is a balanced chemical equation?

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

• 0

• 7

• 14

• 1

Which of the following elements has the largest atomic radius?

• Sodium (Na)

• Magnesium (Mg)

• Aluminum (Al)

• Silicon (Si)

Which of the following is a strong acid?

• Acetic acid

• Hydrochloric acid

• Ammonia

• Sodium hydroxide

What is the chemical formula for sodium chloride?

• NaCl