CHEM Ch.6 QUIZ Review

Why do most elements create chemical bonds?

• To gain electrons, so that each element has more electrons.

• To equal the number of protons and electrons.

• To stop radioactive decay.

• To reach eight valence electrons, which makes them stable.

Tags

NGSS.HS-PS1-1

A positive ion is called a(n):

If an atom ​ (a)   electrons, it will become negative.

If an atom ​ (b)   electrons, it will become positive.

• gains
• loses
• destroys
• creates

Tags

NGSS.MS-PS1-5

How many CORE ELECTRONS does Chlorine have?

• 2

• 4

• 8

• 10

• 17

Tags

NGSS.HS-PS1-1

Match the following descriptions to the type of bond.

Occurs between two nonmetals - (a)  

Occurs between a metal and a nonmetal - (b)  

• Covalent bond
• Ionic bond

Which of these are metals and which are nonmetals?

Groups:

(a) Metal

,

(b) Nonmetal

• Al

• H

• Na

• P

• K

• Fe

• O

• C

• N

• Mg

Which kind of bond involves atoms sharing electrons?

• Covalent

• Ionic

The desire for an element to have 8 atoms around it is called 

• Octet Rule
• Resonance
• Ionization energy
• Electronegativity

According to the electron sea model, what is responsible for the properties of metals?

• Attraction between positively charged metal ions and negatively charged electrons

• Movement of protons within the metal compound

• Arrangement of atoms in a regular pattern

• Movement of free electrons within the metal compound

Which of the following applies to metals?

• Insulators of heat and electricity

• Poor conductors of heat and electricity

• Non-reactive with other elements

• Good conductors of heat and electricity