Chemistry Quiz

What subatomic particles are found in the nucleus of atom?

• Protons, neutrons, and electrons

• Protons and electrons only

• Neutrons and electrons only

• Protons and neutrons only

What is the relative charge of a proton?

• -1

• 0

• +1

• +2

What does the term "isotope" refer to?

• Atoms with the same number of protons but different numbers of neutrons

• Atoms with the same number of neutrons but different numbers of protons

• Atoms with the same number of electrons but different numbers of protons

• Atoms with the same number of protons and neutrons

How do you calculate the relative atomic mass of an element?

• Add the number of protons and neutrons

• Average the masses of all isotopes based on their abundance

• Subtract the number of electrons from the number of protons

• Multiply the number of protons by the number of neutrons

What is the charge of an ion with 11 protons and 10 electrons?

• -1

• +1

• 0

• +2

What is the difference between cations and anions?

• Cations are negatively charged, and anions are positively charged

• Cations are positively charged, and anions are negatively charged

• Cations have more electrons than protons, and anions have more protons than electrons

• Cations and anions have the same charge

What does the Bohr Model represent?

• The arrangement of protons and neutrons in the nucleus

• The arrangement of electrons in shells around the nucleus

• The relative atomic mass of an element

• The chemical properties of an element

How many valence electrons does an element in Group 1 of the periodic table have?

• 1

• 2

• 7

• 8

What is the difference between periods and groups in the periodic table?

• Periods are vertical columns, and groups are horizontal rows

• Periods are horizontal rows, and groups are vertical columns

• Periods represent metals, and groups represent non-metals

• Periods represent non-metals, and groups represent metals

Which of the following is a physical property of metals?

• High melting point

• Poor conductor of electricity

• Brittle

• Low density