Periodic Table and Atoms Review

Using the Periodic Table, which element would be most similar to Lithium (Li)?

• Sodium (Na)

• Magnesium (Mg)

• Chlorine (Cl)

• Oxygen (O)

Elements in the same _____________ have similar chemical and physical properties.

• row

• period

• familiy

• general area

Based on the periodic table, which compound would be the most similar to Sodium Chloride (NaCl)?

• Magnesium Bromide (MgBr₂)

• Lithium Fluoride (LiF)

• Carbon Dioxide (CO₂)

• Sulfur Hexafluoride (SF₆)

Tags

NGSS.MS-PS1-1

Which 3 of the elements below are considered Metals?

• Carbon

• Sodium

• Magnesium

• Silver

• Helium

Most of the mass of an atom is found

• in the nucleus

• in the electron cloud

• Impossible to tell

The charge of an atom is determined by

• Its protons and neutrons

• Its protons and electrons

• Its electrons and neutrons

• Its mass

The nucleus of an atom contains

• Protons and neutrons

• Protons and electrons

• Neutrons and Electrons

• Empty space

Tags

NGSS.MS-PS1-1

Which option correctly identifies the subatomic particle with its charge?

• Protons are negative

• Electrons are neutral

• Neutrons are negative

• Electrons are negative

Using the periodic table square pictured, how many protons are found in an atom of Potassium?

• 19

• 39

• 39.098

• 20

Tags

NGSS.MS-PS1-1

Using the periodic table square pictured, how many neutrons are found in the nucleus of a potassium atom?

• 19

• 39

• 39.098

• 20

Tags

NGSS.MS-PS1-1