Chemical Bonds and Polarity

Atoms gain lose, gain, or ______electrons to get a stable outer energy level.

• share
• split
• create
• destroy

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A ____________is the force that holds atoms together in a compound.

• Chemical Formula
• Chemical Reaction
• Chemical Bond
• Synthesis Reaction

A _______ is a charged particle because it has more or fewer electrons than protons.  When an atom _____ an electron, it becomes a positively charged ion.  When an atom ____an electron, it becomes a negatively charged ion.

• isotope, gains, loses
• isotope, loses, gains
• ion, loses, gains
• ion, gains, loses

Tags

NGSS.MS-PS1-1

An ionic compound is held together by the _______--the force of attraction between opposite charges of the atoms.

• Covalent Bond
• Ionic Bond
• Synthetic Bond
• Molecular Bond

Tags

NGSS.HS-PS1-3

A ________is the force of attraction between atoms sharing electrons.

• Synthetic Bond
• Ionic Bond
• Molecular Bond
• Covalent Bond

Tags

NGSS.HS-PS1-1

Atoms can form double or triple ______depending on whether they share two or three pairs of electrons.

• Molecules
• Bonds
• Compounds
• Elements

Atoms that gain an electron have an electric charge of ---

• -1.

• -2.

• +1.

• +2.

If an atom has 7 protons and 7 electrons, its electric charge is ---

• -7

• -14

• 0

• +7

Atoms form compounds to become more ---

• reactive

• stable

• explosive

• toxic

An atom with a different number of electrons than it should have (more or less) is called an ---

• isotope

• valence electron

• ion

• octet