An atom that has lost or gained electrons becomes a (an) _______. 

• proton
• nuetron
• electron
• ion

When a Na atom, loses one electron, it gets a charge of _______.  

• -1
• 0
• +1
• +11

Metals tend to _______ electrons to become _____ ions.

• lose , positive
• gain, negative
• lose,negative
• gain,positive

Magnesium Bromide, MgBr₂, is a (an) ________ compound

• metallic
• covalent
• ionic
• organic

In an ionic bond, electrons are _________ . 

• transferred from a metal to a nonmetal

• shared between two nonmetal atoms

• shared between a metal and a nonmetal

• in a sea traveling between the atoms

Non-metals tend to _______ electrons to be come ________ ions. 

• lose , positive

• gain , positive
• lose , negative
• gain ,negative

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The mutual electrical attraction between the nuclei of one atom and the electrons of another atom is called a

• covalent compound
• chemical bond
• ionic compound
• valence electron

Ionic Bonds form between two ions that have

• ionic compounds
• negative charges
• positive charges
• opposite charges

Covalent compounds

• Share electrons
• transfer electrons
• contain a sea of electrons
• conduct electricity

Tags

NGSS.HS-PS1-2

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

Tags

NGSS.MS-PS1-1