Quiz on Atomic Structure

What is the simplest atom?

• Helium

• Oxygen

• Hydrogen

• Carbon

How many protons and electrons does a hydrogen atom have?

• 2 protons and 2 electrons

• 1 proton and 1 electron

• 3 protons and 3 electrons

• 0 protons and 1 electron

What is the relationship between protons and electrons in a neutral atom?

• Protons are double the electrons

• Electrons are double the protons

• Protons equal electrons

• Protons are half the electrons

What is the maximum number of electrons the 2nd shell can hold?

• 2 electrons

• 8 electrons

• 18 electrons

• 32 electrons

In which direction do electrons move in a circuit?

• From positive to negative

• From negative to positive

• In a circular motion

• Randomly

What is the size of the electrical charge when 6.3 x 10^18 electrons pass a point in 1 second?

• 1 volt (V)

• 1 ohm (Ω)

• 1 coulomb (C)

• 1 watt (W)

Which component in the circuit provides voltage?

• Ammeter

• Lamp

• Switch

• Battery

What component in the circuit emits light?

• Ammeter

• Battery

• Lamp

• Switch

What is the symbol for current in the circuit diagram?

• V

• A

• I

• L

What happens when the switch is open in the circuit?

• Current flows

• Current stops

• Voltage increases

• Lamp lights up