Periodic Table and Chemical Reactions Quiz

What does the number of rows (periods) in the periodic table indicate?

• The number of valence electrons

• The number of electron shells

• The atomic mass

• The number of protons

What do columns (groups/families) in the periodic table indicate?

• The number of electron shells

• The atomic mass

• The number of valence electrons

• The number of protons

What information does each box in the periodic table contain?

• Only the element's symbol

• The element's symbol, atomic number, and atomic mass

• Only the atomic number

• Only the atomic mass

What is the element symbol for Hydrogen?

• H

• He

• Hy

• Hd

What does the atomic mass of an element represent?

• The number of protons in an atom

• The number of electron shells

• The average mass of an element's isotopes

• The number of valence electrons

What are reactants in a chemical reaction?

• Substances that undergo change

• New substances formed from the reaction

• Elements in the periodic table

• The number of valence electrons

Tags

NGSS.MS-PS1-2

What are products in a chemical reaction?

• Substances that undergo change

• New substances formed from the reaction

• Elements in the periodic table

• The number of valence electrons

Tags

NGSS.MS-PS1-2

Which of the following is NOT a key component of the periodic table?

• Atomic number

• Element symbol

• Atomic mass

• Chemical bond type

What are the reactants in the reaction: C + O_2 → CO_2?

• Carbon (C) and Oxygen (O)

• Sodium (Na) and Chlorine (Cl)

• Carbon Dioxide (CO_2)

• Sodium Chloride (NaCl)

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is the product in the reaction: C + O_2 → CO_2?

• Carbon (C)

• Oxygen (O)

• Carbon Dioxide (CO_2)

• Sodium Chloride (NaCl)

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5