Atoms, Bonding & the Periodic Table

An atom's valence electrons are those electrons that have the highest energy

• true
• false

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms tend to be stable and nonreactive if they have six valence electrons.

• true
• false

In the periodic table, the number of valence electrons in each element decreases from left to right across each period.

• True
• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The reactivity of a metal depends on how easily it loses its valence electrons.

• True
• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Within each period in the periodic table, elements have similar properties because they have the same number of valence electrons.

• true
• false

The number of ____________ in the atom of an element determines its chemical properties

• protons
• neutrons
• valence electrons
• chemical bonds

The columns in the periodic table are called __________________.

• chemical symbols
• periods
• groups
• atomic numbers

A(n)__________________ is a model that shows the number of valence electrons in a particular atom.

• valence diagram
• electron dot diagram
• Bohr model
• chemical symbol

The attractive force that holds two atoms together is called a(n) _______________________.

• atomic number
• chemical bond
• valence electron
• electron cloud

Noble gases react easily with other elements because they can easily lose their valence electrons to form chemical bonds with other atoms.

• True
• False