Exploring Atomic Structure and Trends

What is the charge of a proton?

• 0

• +1

• -1

• +2

Which subatomic particle determines the atomic number of an element?

• Neutron

• Electron

• Proton

• Nucleus

What is the location of electrons in an atom?

• In the nucleus

• In the electron cloud surrounding the nucleus

• In the proton shell

• In the neutron core

Which of the following is a property of metals?

• Poor conductor of electricity

• Brittle

• Shiny and malleable

• Usually gases at room temperature

• 5

• 6

• 7

• 8

Which element is a metalloid?

• Sodium

• Silicon

• Oxygen

• Gold

Which of the following best describes an isotope?

• Atoms with the same number of protons but different numbers of neutrons

• Atoms with different numbers of protons and electrons

• Atoms with the same number of neutrons but different numbers of protons

• Atoms with the same mass number but different atomic numbers

Which group on the Periodic Table contains elements that are all gases at room temperature?

• Alkali metals

• Halogens

• Noble gases

• Transition metals

Which of the following ions is formed when a sodium atom loses one electron?

• More protons than electrons

• Equal protons and electrons

• More electrons than protons

• No protons