Atomic Structure and Periodic Table of Elements

Elements in the same ______ have the same number of valence electrons

• group

• period

Elements in the same ______ have similar physical and chemical properties

• groups

• periods

Elements have more things in common with other elements that are in the same _______

• group

• period

The identity of an element is determined by its __________

• number of neutrons

• atomic number

• atomic mass

• number of valence electrons

An element's reactivity is determined by its ______

• atomic number

• number of neutrons

• atomic mass

• number of valence electrons

Which 2 subatomic particles are found inside the nucleus?

• protons and neutrons

• protons and electrons

• neutrons and electrons

What do the following properties describe? : shiny, ductile, good conductor, high melting point

• metal
• nonmetal
• metalloid

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which is an example of a metal?

• Radon
• Oxygen
• Aluminium
• Carbon

Which is an example of a nonmetal?

• Platinum
• Carbon
• Silver
• Lead

Tags

NGSS.HS-PS1-1

Which is an example of a metalloid?

• Boron
• Lead
• Radon
• Gold