Atoms and the Periodic Table Review

#2.  A(n) ________________________ is an interaction that holds two atoms together.

• physical bond
• chemical bond
• neutron
• electron

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-4

#3.  A(n) ________________________ is the smallest particle of an element that has the chemical properties of that element.

• atom
• proton
• neutron
• electron

#5.  A(n) ________________________ is a negatively-charged subatomic particle.

• proton
• neutron
• electron
• electron cloud

#6.  Which of the following is a property of metals?

• A. low melting point
• B. good electrical conductor
• C. good thermal insulator
• D. cannot bend without breaking

#7.  The chart gives the atomic number and mass number of two elements. How many protons does Element B have?

• 10
• 20
• 9
• 19

Tags

NGSS.MS-PS1-1

#8. The diagram below is one model of an atom. By whom was this model of an atom proposed?

• Thomas
• Dalton
• Rutherford
• Bohr

Tags

NGSS.MS-PS1-1

#9.  In a neutral atom, the number of electrons equals the number of what other part?

• protons
• neutrons
• nuclei
• energy levels

#10. Here is a square that represents one element of the periodic table. What information is in this square of the periodic table, from top to bottom?

• average atomic mass, chemical symbol, chemical name, atomic number
• atomic number, chemical symbol, chemical name, average atomic mass
• average atomic mass, chemical symbol, chemical name, proton number
• average atomic mass, chemical symbol, chemical name, proton number

#11. What must happen for an ion to form?

• An atom must gain or lose an electron.
• An atom must gain or lose a proton.
• An atom must gain or lose a neutron.
• An atom must gain or lose a nucleus.

#12.   The periodic table is arranged in columns and rows. What are the columns and the rows of the periodic table called?

• periods and energy levels
• groups and periods
• atomic numbers and periods
• groups and atomic numbers