Chemistry Quiz: Atomic Structure and More

What is the charge of a proton?

• –1

• 0

• +1

• +2

Which subatomic particle has a relative mass of nearly zero?

• Proton

• Neutron

• Electron

• Nucleus

Which of these elements is a noble gas?

• Oxygen

• Neon

• Nitrogen

• Fluorine

Why do elements in the same group of the periodic table have similar chemical properties?

• They have the same atomic number

• They have the same number of protons

• They have the same number of neutrons

• They have the same number of electrons in their outer shell

Which of these elements is a transition metal?

• Sodium

• Calcium

• Iron

• Potassium

What type of bonding occurs in sodium chloride?

• Covalent

• Ionic

• Metallic

• Hydrogen

Which substance has a giant covalent structure?

• Sodium chloride

• Water

• Diamond

• Oxygen

Why do metals conduct electricity?

• They contain ions

• They have free electrons

• They dissolve in water

• They have low melting points

Which of these substances has a low melting point and does not conduct electricity?

• Graphite

• Sodium chloride

• Oxygen

• Magnesium

Which statement is true about graphite?

• It is a good electrical insulator

• It has a high melting point

• It is made of ions

• It has a tetrahedral structure