Rules

What is the rule of conservation of mass in a chemical reaction?

• Mass is created during a reaction

• Mass is destroyed during a reaction

• Mass is neither created nor destroyed

• Mass is always increased

Tags

NGSS.HS-PS1-7

Which rule explains why planets orbit the sun?

• Newton's First Law of Motion

• Kepler's First Law of Planetary Motion

• Einstein's Theory of Relativity

• Archimedes' Principle

Tags

NGSS.HS-PS2-4

NGSS.HS-ESS1-4

According to the octet rule, how many electrons do atoms tend to have in their outer shell?

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What rule is used to determine the direction of the magnetic field around a current-carrying wire?

• Right-hand rule

• Left-hand rule

• Ampere's rule

• Faraday's rule

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which rule is applied to predict the products of a double displacement reaction?

• Solubility rules

• Octet rule

• Pauli exclusion principle

• Hund's rule

What is the rule for balancing chemical equations?

• The number of atoms of each element must be equal on both sides

• The number of molecules must be equal on both sides

• The total mass must be equal on both sides

• The total volume must be equal on both sides

Tags

NGSS.HS-PS1-7

Which rule is used to determine the electron configuration of an atom?

• Aufbau principle

• Hund's rule

• Pauli exclusion principle

• All of the above

What rule explains the behavior of gases under different conditions of temperature and pressure?

• Boyle's Law

• Charles's Law

• Ideal Gas Law

• All of the above

Which rule is used to determine the direction of induced current in a conductor?

• Lenz's Law

• Faraday's Law

• Ohm's Law

• Coulomb's Law

What is the rule for determining the polarity of a molecule?

• Electronegativity difference

• Molecular geometry

• Both A and B

• None of the above