Chemistry Diagnostic Quiz for Students

What is the charge of a proton?

• 0

• +1

• -1

• +2

Which subatomic particle is found in the nucleus and has no electrical charge?

• Electron

• Proton

• Neutron

• Positron

Tags

NGSS.HS-PS1-8

What is the chemical symbol for sodium?

• S

• Na

• So

• N

Which of the following elements is a noble gas?

• Oxygen

• Nitrogen

• Neon

• Fluorine

• 10 g/mol

• 16 g/mol

• 18 g/mol

• 20 g/mol

Which type of bond involves the sharing of electron pairs between atoms?

• Ionic bond

• Metallic bond

• Covalent bond

• Hydrogen bond

Which of the following statements best describes the location of electrons in an atom?

• Electrons are found in the nucleus.

• Electrons are found in fixed orbits around the nucleus.

• Electrons are found in regions called orbitals around the nucleus.

• Electrons are found only between protons and neutrons.

Which element has the highest electronegativity?

• Fluorine

• Oxygen

• Chlorine

• Nitrogen

Which statement best describes the difference between accuracy and precision in scientific measurements?

• Accuracy is how close measurements are to each other; precision is how close measurements are to the true value.

• Accuracy is how close measurements are to the true value; precision is how close measurements are to each other.

• Accuracy and precision mean the same thing.

• Accuracy is only important in chemistry, while precision is only important in physics.

Which of the following pairs of elements would most likely form an ionic bond?

• Na and Cl

• H and O

• C and O

• N and O