Periodic Table and Bonding

Bonds between atoms in a molecule form as a result of the sharing of?

• protons

• electrons

• neutrons

• nucleus

Tags

NGSS.MS-PS1-1

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

• Group or Family

• Period (Row)

Noble gases are in group...

• 1

• 2

• 17

• 18

Which of the following cannot be broken down into something simpler?

• compound

• element

• mixture

• chemical formula

What is the chemical symbol for the element Silicon

• S

• Si

• si

• Sl

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

• matter

• atom

• element

• compound

Tags

NGSS.MS-PS1-1

What is a valence electron?

• The sum of neutrons and protons.

• The # of electrons in the last shell.

• A type of bond.

• A popular compound.

Atoms are most stable when their outer shell is complete.

• true

• false

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Why do elements bond?

• To be friends

• To create a new element

• To become stable

Ionic compounds form because _______ charges attract.

• opposite

• like

Tags

NGSS.MS-PS2-3