Chemical Formulas and Equations

A covalent bond is formed between what kind of atoms?

• Non-metal
• Metal

Tags

NGSS.MS-PS1-1

True or false, ionic bonding is when a metal reacts with a non-metal?

• True
• False

Valence electrons are

• All the electrons in an atom
• The electrons in the outermost shell

Conductivity refers to a materials ability to conduct electricity

• False
• True

_____________________ bonds have a high melting point.

• ionic

• covalent

Tags

NGSS.MS-PS3-4

What part of an atom creates a chemical bond?

• the protons

• the neutrons

• all of the electrons

• the valence electrons

Each group on the periodic table has the same

• number of protons

• number of electrons

• number of atoms

• number of valence electrons

What is the charge of a potassium ion with 19 protons and 18 electrons?

• 1+

• 2+

• 1-

• 2-

Tags

NGSS.MS-PS1-1

This is a correct dot diagram for nitrogen (N)

• true

• false

Tags

NGSS.MS-PS1-1

This is a correct dot diagram for neon (Ne)

• true

• false

Tags

NGSS.MS-PS1-1