Chemistry Basics Quiz

What is the most important piece of information in the periodic table for understanding how an element interacts with others?

• Element name

• Atomic number

• Chemical symbol

• Atomic mass

Which subatomic particle is not found in the nucleus of an atom?

• Nucleus

• Neutron

• Proton

• Electron

How many electrons can the p orbital hold?

• Two

• Four

• Six

• Eight

What is the octet rule?

• Atoms are stable with eight neutrons

• Atoms are stable with eight protons

• Atoms are stable with eight electrons in their inner shell

• Atoms are stable with eight electrons in their outer shell

What happens to sodium's charge when it loses an electron?

• It becomes negatively charged

• It becomes positively charged

• It remains neutral

• It becomes a noble gas

What type of bond is formed between sodium and chlorine?

• Metallic bond

• Ionic bond

• Hydrogen bond

• Covalent bond

Why do noble gases not form bonds easily?

• They have no protons

• They have a full inner electron shell

• They have no electrons

• They have a full outer electron shell

What type of bond involves the sharing of electrons?

• Covalent bond

• Ionic bond

• Hydrogen bond

• Metallic bond

How many covalent bonds can carbon form?

• Three

• Four

• One

• Two

What is the chemical formula for methane?

• CH4

• CO2

• H2O

• NH3