When two atoms share or trade electrons a(n) ___ is formed.

• Chemical bond
• Bond

• Phase Change

• Polar Covalent Bond

Tags

NGSS.HS-PS1-1

An atom that has acquired a positive or negative charge is called a(n) ___ .

To represent the number and type of each element in a molecule, chemists write a ___ .

Tags

NGSS.MS-PS1-1

A substance whose smallest particles include more than one element chemically bonded together is a ___ .

The type of chemical bond formed when atoms share electrons is the ___ bond.

A substance made of two or more elements or compounds not chemically bonded to each other is a(n) ___ .

• Mixture
• Concoction

• Blend

• Combinational Alloy

A bond formed when an electron is transferred from one atom to another is a(n) ___ .

A group of atoms held together by covalent bonds in a specific ratio form a(n) ___ .

• Molecule
• Neutrino

• Quark

• Hadron

Tags

NGSS.MS-PS1-1

Electrons in the highest unfilled energy level of an atom, that may participate in chemical bonds are called ___ .

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The number which indicates the charge on an atom when an electron is lost, gained, or shared is called the ___ number.

Tags

NGSS.HS-PS1-1