Show:
Ions
Chemical Formulas and Names
Covalent Bonds
Ionic Bonds
Hydrogen Bonds
100
When an atom gains an electron it becomes a
What is negative ion
100
Hydroxide(OH-) and Cyanide(CN-) are examples of _______
What is polyatomic ions
100

FREE POINTS

I forgot to add Daily Doubles, sooooo you get 3x the points for this one

100

What types of elements are involved in ionic bonds?

What are metals + nonmetals

100

A substance that hates or "fears" water is called

Hydrophobic

200

Aluminum Chloride  is an ionic compound with the chemical formula AlCl3 - What does the 3 tell you?

What is there are three chlorine ions for every aluminum ion

200
A combination of symbols that show the ratio of elements in a compound
What is chemical formula
200
what is a molecule
What is a neutral group of atoms joined by covalent bonds
200

What is the compound formed between Al3+ and ClO32-

Al2(ClO3)3  ---> Remember for Polyatomic ions you need to use brackets : )

200

True or False: Bonds that form between water molecules are called hydrogen bonds

what is True

300
When an atom loses an electron it becomes a_______
What is positive ion
300

What is the chemical name of CaF2

What is Calcium Flouride

300

FREE POINTS

I forgot to add Daily Doubles, sooooo you get 3x the points for this one

300

What is the chemical formula for Magnesium Selenide?

MgSe

300

Cohesion is the__________________

what is the attraction of water molecules to stick to other water molecules

400

An ionic bond is__________

When an atom donates its electrons to another atom and/or attraction of oppositely charged ions

400

Name this compound Na2CO3

What is Sodium Carbonate

400
A chemical bond that is formed when two atoms share electrons is called
What is covalent bond
400

The Octet Rule states ___________

Atoms need/want 8 electrons in their valence/outermost shell to be stable/happy
400

What is polarity?

The uneven distribution of charges across a molecule

500
Ions that are made of more then one atom are examples of _______
What is polyatomic ions
500
When ions having a positive charge form bonds with ions having a negative charge, the charge on the resulting compound is
What is Neutral or Zero
500
What is a double bond?
What is two pairs of electrons that are shaired between two atoms
500

Write the correct chemical formula for the ionic compound formed between aluminum and oxygen

What is Al2O3

500

Water is polar because

Hydrogen has a slight positive charge and Oxygen has a slight negative charge