Module 16 Unit Test - Phy Sci D

1) Which subatomic particle has a positive charge?

• Neutron
• Proton
• Electron
• Quark

2) What is the mass of a neutron?

• 1 amu
• 0 amu
• 1836 amu
• 1/1836 amu

3) Who si credited with the creation of the periodic table?

• Bohr
• Moseley
• Dalton
• Mendeleev

4) How many energy levels are typically found in an atom?

• 2
• 8
• 18
• 20

5) What is used to represent the outermost electrons in an atom?

• Subshell
• Isotope
• Electron dot diagram
• Atomic number

6) Which group of elements is typically located to the right of the periodic table?

• Metals
• Non-metals
• Metalloids
• Alkali metals

7) What is the atomic number of an element?

• The number of protons
• The number of neutrons
• The number of electrons
• The combined number of protons and neutrons

8) What term describes atoms of the same element with different numbers of neutrons?

• Isotope
• Mass number
• Atomic mass
• Electron cloud

9) In the electron cloud model, where are electrons most likely to be found?

• On the nucleus
• In specific orbits
• Spread throughout the atom
• Only in the outermost shell

10) Who organized the elements by increasing atomic number?

• Moseley
• Rutherford
• Mendeleev
• Thomson