Pre-IB Chemistry Semester 2 Practice Test

Which of the following elements has the smallest atomic radius?

• Na

• Cl

• K

• Br

Tags

NGSS.HS-PS1-1

Which pair of elements have similar chemical properties?

• Li and Be

• O and S

• Al and Cl

• Na and Mg

Tags

NGSS.HS-PS1-2

What is the electron configuration of an element in group 17 and period 3?

• [Ne]3s23p5

• [Ar]4s23d5

• [He]2s22p6

• [Ar]4s24p6

Tags

NGSS.HS-PS1-1

Which of the following elements is a transition metal?

• B

• Sr

• Fe

Which of the following statements about periodic trends is true?

• Ionization energy decreases across a period

• Atomic size decreases down a group

• Electronegativity increases across a period

• Metallic character increases across a period

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Fill in the blank: ___ Tendency of atoms to attain a full outer shell

• Octet rule

• Periodic law

• Avogadro's law

• Boyle's law

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Fill in the blank: ___ Atom or group of atoms with a charge

• Ion

• Molecule

• Isotope

• Element

Fill in the blank: ___ Energy required to remove an electron

• Ionization energy

• Activation energy

• Potential energy

• Kinetic energy

Fill in the blank: ___ Pattern of chemical properties as atomic number increases

• Periodic law

• Random law

• Constant law

• Inverse law

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Fill in the blank: ___ Attraction of an atom for electrons in a bond

• Electronegativity

• Ionization energy

• Atomic radius

• Electron affinity